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Finding the Fourth Proportional to 163,728,329.20, 245,592,493.80 and 163,728,329.20

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Solution

The fourth proportional to 163,728,329.20, 245,592,493.80 and 163,728,329.20 is: 245,592,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,728,329.20 : 245,592,493.80 = 163,728,329.20 : x
  2. Step 2: Convert to fraction form
    163,728,329.20/245,592,493.80 = 163,728,329.20/x
  3. Step 3: Cross multiply
    163,728,329.20x = 245,592,493.80 × 163,728,329.20
  4. Step 4: Simplify right side
    163,728,329.20x = 40,210,448,673,935,360
  5. Step 5: Solve for x
    x = 40,210,448,673,935,360/163,728,329.20
  6. Step 6: Final answer
    x = 245,592,493.80

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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.