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Finding the Fourth Proportional to 137,041.68, 205,508.02 and 52,755.04

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Solution

The fourth proportional to 137,041.68, 205,508.02 and 52,755.04 is: 79,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,041.68 : 205,508.02 = 52,755.04 : x
  2. Step 2: Convert to fraction form
    137,041.68/205,508.02 = 52,755.04/x
  3. Step 3: Cross multiply
    137,041.68x = 205,508.02 × 52,755.04
  4. Step 4: Simplify right side
    137,041.68x = 10,841,583,551.65
  5. Step 5: Solve for x
    x = 10,841,583,551.65/137,041.68
  6. Step 6: Final answer
    x = 79,111.58

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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.