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Finding the Fourth Proportional to 60,121.92, 90,113.16 and 22,658.00

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Solution

The fourth proportional to 60,121.92, 90,113.16 and 22,658.00 is: 33,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,121.92 : 90,113.16 = 22,658.00 : x
  2. Step 2: Convert to fraction form
    60,121.92/90,113.16 = 22,658.00/x
  3. Step 3: Cross multiply
    60,121.92x = 90,113.16 × 22,658.00
  4. Step 4: Simplify right side
    60,121.92x = 2,041,783,951.61
  5. Step 5: Solve for x
    x = 2,041,783,951.61/60,121.92
  6. Step 6: Final answer
    x = 33,960.73

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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.