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Finding the Fourth Proportional to 60,207.30, 90,311.86 and 22,785.00

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Solution

The fourth proportional to 60,207.30, 90,311.86 and 22,785.00 is: 34,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,207.30 : 90,311.86 = 22,785.00 : x
  2. Step 2: Convert to fraction form
    60,207.30/90,311.86 = 22,785.00/x
  3. Step 3: Cross multiply
    60,207.30x = 90,311.86 × 22,785.00
  4. Step 4: Simplify right side
    60,207.30x = 2,057,755,419.91
  5. Step 5: Solve for x
    x = 2,057,755,419.91/60,207.30
  6. Step 6: Final answer
    x = 34,177.84

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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.