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Finding the Fourth Proportional to 75,260.52, 112,737.69 and 60,388.92

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Solution

The fourth proportional to 75,260.52, 112,737.69 and 60,388.92 is: 90,460.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,260.52 : 112,737.69 = 60,388.92 : x
  2. Step 2: Convert to fraction form
    75,260.52/112,737.69 = 60,388.92/x
  3. Step 3: Cross multiply
    75,260.52x = 112,737.69 × 60,388.92
  4. Step 4: Simplify right side
    75,260.52x = 6,808,107,342.39
  5. Step 5: Solve for x
    x = 6,808,107,342.39/75,260.52
  6. Step 6: Final answer
    x = 90,460.54

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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.