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Finding the Fourth Proportional to 60,134.92, 90,176.98 and 18,020.99

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Solution

The fourth proportional to 60,134.92, 90,176.98 and 18,020.99 is: 27,023.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,134.92 : 90,176.98 = 18,020.99 : x
  2. Step 2: Convert to fraction form
    60,134.92/90,176.98 = 18,020.99/x
  3. Step 3: Cross multiply
    60,134.92x = 90,176.98 × 18,020.99
  4. Step 4: Simplify right side
    60,134.92x = 1,625,078,454.81
  5. Step 5: Solve for x
    x = 1,625,078,454.81/60,134.92
  6. Step 6: Final answer
    x = 27,023.87

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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.