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Finding the Fourth Proportional to 110,676.78, 152,747.07 and 62,937.30

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Solution

The fourth proportional to 110,676.78, 152,747.07 and 62,937.30 is: 86,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,676.78 : 152,747.07 = 62,937.30 : x
  2. Step 2: Convert to fraction form
    110,676.78/152,747.07 = 62,937.30/x
  3. Step 3: Cross multiply
    110,676.78x = 152,747.07 × 62,937.30
  4. Step 4: Simplify right side
    110,676.78x = 9,613,488,505.50
  5. Step 5: Solve for x
    x = 9,613,488,505.50/110,676.78
  6. Step 6: Final answer
    x = 86,860.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.