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Finding the Fourth Proportional to 163,658,340.30, 245,487,510.45 and 163,658,340.30

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Solution

The fourth proportional to 163,658,340.30, 245,487,510.45 and 163,658,340.30 is: 245,487,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,658,340.30 : 245,487,510.45 = 163,658,340.30 : x
  2. Step 2: Convert to fraction form
    163,658,340.30/245,487,510.45 = 163,658,340.30/x
  3. Step 3: Cross multiply
    163,658,340.30x = 245,487,510.45 × 163,658,340.30
  4. Step 4: Simplify right side
    163,658,340.30x = 40,176,078,524,625,904
  5. Step 5: Solve for x
    x = 40,176,078,524,625,904/163,658,340.30
  6. Step 6: Final answer
    x = 245,487,510.45

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.