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Finding the Fourth Proportional to 163,561.30, 229,510.70 and 163,561.30

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Solution

The fourth proportional to 163,561.30, 229,510.70 and 163,561.30 is: 229,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,561.30 : 229,510.70 = 163,561.30 : x
  2. Step 2: Convert to fraction form
    163,561.30/229,510.70 = 163,561.30/x
  3. Step 3: Cross multiply
    163,561.30x = 229,510.70 × 163,561.30
  4. Step 4: Simplify right side
    163,561.30x = 37,539,068,455.91
  5. Step 5: Solve for x
    x = 37,539,068,455.91/163,561.30
  6. Step 6: Final answer
    x = 229,510.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.