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Finding the Fourth Proportional to 134,471.70, 185,568.90 and 80,061.84

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Solution

The fourth proportional to 134,471.70, 185,568.90 and 80,061.84 is: 110,484.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,471.70 : 185,568.90 = 80,061.84 : x
  2. Step 2: Convert to fraction form
    134,471.70/185,568.90 = 80,061.84/x
  3. Step 3: Cross multiply
    134,471.70x = 185,568.90 × 80,061.84
  4. Step 4: Simplify right side
    134,471.70x = 14,856,987,580.78
  5. Step 5: Solve for x
    x = 14,856,987,580.78/134,471.70
  6. Step 6: Final answer
    x = 110,484.12

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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.