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Finding the Fourth Proportional to 137,860.52, 206,500.15 and 63,043.62

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Solution

The fourth proportional to 137,860.52, 206,500.15 and 63,043.62 is: 94,432.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,860.52 : 206,500.15 = 63,043.62 : x
  2. Step 2: Convert to fraction form
    137,860.52/206,500.15 = 63,043.62/x
  3. Step 3: Cross multiply
    137,860.52x = 206,500.15 × 63,043.62
  4. Step 4: Simplify right side
    137,860.52x = 13,018,516,290.97
  5. Step 5: Solve for x
    x = 13,018,516,290.97/137,860.52
  6. Step 6: Final answer
    x = 94,432.52

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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.