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Finding the Fourth Proportional to 109,761.75, 151,472.84 and 59,460.75

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Solution

The fourth proportional to 109,761.75, 151,472.84 and 59,460.75 is: 82,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,761.75 : 151,472.84 = 59,460.75 : x
  2. Step 2: Convert to fraction form
    109,761.75/151,472.84 = 59,460.75/x
  3. Step 3: Cross multiply
    109,761.75x = 151,472.84 × 59,460.75
  4. Step 4: Simplify right side
    109,761.75x = 9,006,688,373.73
  5. Step 5: Solve for x
    x = 9,006,688,373.73/109,761.75
  6. Step 6: Final answer
    x = 82,056.71

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1.5x scale

Why These Related Problems?

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