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Finding the Fourth Proportional to 73,610.78, 110,350.55 and 29,207.39

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Solution

The fourth proportional to 73,610.78, 110,350.55 and 29,207.39 is: 43,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,610.78 : 110,350.55 = 29,207.39 : x
  2. Step 2: Convert to fraction form
    73,610.78/110,350.55 = 29,207.39/x
  3. Step 3: Cross multiply
    73,610.78x = 110,350.55 × 29,207.39
  4. Step 4: Simplify right side
    73,610.78x = 3,223,051,071.83
  5. Step 5: Solve for x
    x = 3,223,051,071.83/73,610.78
  6. Step 6: Final answer
    x = 43,785.04

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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.