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Finding the Fourth Proportional to 137,397.01, 206,124.90 and 42,625.14

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Solution

The fourth proportional to 137,397.01, 206,124.90 and 42,625.14 is: 63,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,397.01 : 206,124.90 = 42,625.14 : x
  2. Step 2: Convert to fraction form
    137,397.01/206,124.90 = 42,625.14/x
  3. Step 3: Cross multiply
    137,397.01x = 206,124.90 × 42,625.14
  4. Step 4: Simplify right side
    137,397.01x = 8,786,102,026.94
  5. Step 5: Solve for x
    x = 8,786,102,026.94/137,397.01
  6. Step 6: Final answer
    x = 63,946.82

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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.