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Finding the Fourth Proportional to 88,442.91, 132,640.98 and 60,357.93

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Solution

The fourth proportional to 88,442.91, 132,640.98 and 60,357.93 is: 90,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,442.91 : 132,640.98 = 60,357.93 : x
  2. Step 2: Convert to fraction form
    88,442.91/132,640.98 = 60,357.93/x
  3. Step 3: Cross multiply
    88,442.91x = 132,640.98 × 60,357.93
  4. Step 4: Simplify right side
    88,442.91x = 8,005,934,985.97
  5. Step 5: Solve for x
    x = 8,005,934,985.97/88,442.91
  6. Step 6: Final answer
    x = 90,520.94

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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.