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Finding the Fourth Proportional to 115,706.70, 173,572.81 and 36,802.49

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Solution

The fourth proportional to 115,706.70, 173,572.81 and 36,802.49 is: 55,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,706.70 : 173,572.81 = 36,802.49 : x
  2. Step 2: Convert to fraction form
    115,706.70/173,572.81 = 36,802.49/x
  3. Step 3: Cross multiply
    115,706.70x = 173,572.81 × 36,802.49
  4. Step 4: Simplify right side
    115,706.70x = 6,387,910,644.43
  5. Step 5: Solve for x
    x = 6,387,910,644.43/115,706.70
  6. Step 6: Final answer
    x = 55,207.79

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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.