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Finding the Fourth Proportional to 137,699.38, 206,549.07 and 44,270.74

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Solution

The fourth proportional to 137,699.38, 206,549.07 and 44,270.74 is: 66,406.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,699.38 : 206,549.07 = 44,270.74 : x
  2. Step 2: Convert to fraction form
    137,699.38/206,549.07 = 44,270.74/x
  3. Step 3: Cross multiply
    137,699.38x = 206,549.07 × 44,270.74
  4. Step 4: Simplify right side
    137,699.38x = 9,144,080,175.21
  5. Step 5: Solve for x
    x = 9,144,080,175.21/137,699.38
  6. Step 6: Final answer
    x = 66,406.11

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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.