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Finding the Fourth Proportional to 95,373.18, 131,639.18 and 65,170.71

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Solution

The fourth proportional to 95,373.18, 131,639.18 and 65,170.71 is: 89,952.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,373.18 : 131,639.18 = 65,170.71 : x
  2. Step 2: Convert to fraction form
    95,373.18/131,639.18 = 65,170.71/x
  3. Step 3: Cross multiply
    95,373.18x = 131,639.18 × 65,170.71
  4. Step 4: Simplify right side
    95,373.18x = 8,579,018,498.56
  5. Step 5: Solve for x
    x = 8,579,018,498.56/95,373.18
  6. Step 6: Final answer
    x = 89,952.11

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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.