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Finding the Fourth Proportional to 88,273.52, 132,410.16 and 38,347.28

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Solution

The fourth proportional to 88,273.52, 132,410.16 and 38,347.28 is: 57,520.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,273.52 : 132,410.16 = 38,347.28 : x
  2. Step 2: Convert to fraction form
    88,273.52/132,410.16 = 38,347.28/x
  3. Step 3: Cross multiply
    88,273.52x = 132,410.16 × 38,347.28
  4. Step 4: Simplify right side
    88,273.52x = 5,077,569,480.36
  5. Step 5: Solve for x
    x = 5,077,569,480.36/88,273.52
  6. Step 6: Final answer
    x = 57,520.87

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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.