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Finding the Fourth Proportional to 109,652.88, 151,321.20 and 59,351.88

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Solution

The fourth proportional to 109,652.88, 151,321.20 and 59,351.88 is: 81,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,652.88 : 151,321.20 = 59,351.88 : x
  2. Step 2: Convert to fraction form
    109,652.88/151,321.20 = 59,351.88/x
  3. Step 3: Cross multiply
    109,652.88x = 151,321.20 × 59,351.88
  4. Step 4: Simplify right side
    109,652.88x = 8,981,197,703.86
  5. Step 5: Solve for x
    x = 8,981,197,703.86/109,652.88
  6. Step 6: Final answer
    x = 81,905.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.