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Finding the Fourth Proportional to 115,732.43, 173,605.42 and 44,655.45

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Solution

The fourth proportional to 115,732.43, 173,605.42 and 44,655.45 is: 66,985.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,732.43 : 173,605.42 = 44,655.45 : x
  2. Step 2: Convert to fraction form
    115,732.43/173,605.42 = 44,655.45/x
  3. Step 3: Cross multiply
    115,732.43x = 173,605.42 × 44,655.45
  4. Step 4: Simplify right side
    115,732.43x = 7,752,428,152.54
  5. Step 5: Solve for x
    x = 7,752,428,152.54/115,732.43
  6. Step 6: Final answer
    x = 66,985.79

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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.