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Finding the Fourth Proportional to 137,818.48, 206,747.16 and 44,302.36

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Solution

The fourth proportional to 137,818.48, 206,747.16 and 44,302.36 is: 66,459.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,818.48 : 206,747.16 = 44,302.36 : x
  2. Step 2: Convert to fraction form
    137,818.48/206,747.16 = 44,302.36/x
  3. Step 3: Cross multiply
    137,818.48x = 206,747.16 × 44,302.36
  4. Step 4: Simplify right side
    137,818.48x = 9,159,387,111.30
  5. Step 5: Solve for x
    x = 9,159,387,111.30/137,818.48
  6. Step 6: Final answer
    x = 66,459.79

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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.