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Finding the Fourth Proportional to 115,737.81, 173,549.29 and 36,841.78

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Solution

The fourth proportional to 115,737.81, 173,549.29 and 36,841.78 is: 55,244.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,737.81 : 173,549.29 = 36,841.78 : x
  2. Step 2: Convert to fraction form
    115,737.81/173,549.29 = 36,841.78/x
  3. Step 3: Cross multiply
    115,737.81x = 173,549.29 × 36,841.78
  4. Step 4: Simplify right side
    115,737.81x = 6,393,864,577.13
  5. Step 5: Solve for x
    x = 6,393,864,577.13/115,737.81
  6. Step 6: Final answer
    x = 55,244.39

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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.