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Finding the Fourth Proportional to 63,299,842.52, 94,948,726.20 and 20,168,459.96

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Solution

The fourth proportional to 63,299,842.52, 94,948,726.20 and 20,168,459.96 is: 30,252,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,299,842.52 : 94,948,726.20 = 20,168,459.96 : x
  2. Step 2: Convert to fraction form
    63,299,842.52/94,948,726.20 = 20,168,459.96/x
  3. Step 3: Cross multiply
    63,299,842.52x = 94,948,726.20 × 20,168,459.96
  4. Step 4: Simplify right side
    63,299,842.52x = 1,914,969,582,617,703
  5. Step 5: Solve for x
    x = 1,914,969,582,617,703/63,299,842.52
  6. Step 6: Final answer
    x = 30,252,359.35

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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.