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Finding the Fourth Proportional to 88,551.33, 132,842.78 and 29,390.49

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Solution

The fourth proportional to 88,551.33, 132,842.78 and 29,390.49 is: 44,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,551.33 : 132,842.78 = 29,390.49 : x
  2. Step 2: Convert to fraction form
    88,551.33/132,842.78 = 29,390.49/x
  3. Step 3: Cross multiply
    88,551.33x = 132,842.78 × 29,390.49
  4. Step 4: Simplify right side
    88,551.33x = 3,904,314,250.21
  5. Step 5: Solve for x
    x = 3,904,314,250.21/88,551.33
  6. Step 6: Final answer
    x = 44,090.97

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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.