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Finding the Fourth Proportional to 115,233.80, 172,850.71 and 36,354.18

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Solution

The fourth proportional to 115,233.80, 172,850.71 and 36,354.18 is: 54,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,233.80 : 172,850.71 = 36,354.18 : x
  2. Step 2: Convert to fraction form
    115,233.80/172,850.71 = 36,354.18/x
  3. Step 3: Cross multiply
    115,233.80x = 172,850.71 × 36,354.18
  4. Step 4: Simplify right side
    115,233.80x = 6,283,845,642.70
  5. Step 5: Solve for x
    x = 6,283,845,642.70/115,233.80
  6. Step 6: Final answer
    x = 54,531.27

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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.