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Finding the Fourth Proportional to 88,509.18, 132,787.44 and 38,593.32

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Solution

The fourth proportional to 88,509.18, 132,787.44 and 38,593.32 is: 57,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,509.18 : 132,787.44 = 38,593.32 : x
  2. Step 2: Convert to fraction form
    88,509.18/132,787.44 = 38,593.32/x
  3. Step 3: Cross multiply
    88,509.18x = 132,787.44 × 38,593.32
  4. Step 4: Simplify right side
    88,509.18x = 5,124,708,163.90
  5. Step 5: Solve for x
    x = 5,124,708,163.90/88,509.18
  6. Step 6: Final answer
    x = 57,900.30

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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.