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Finding the Fourth Proportional to 95,165.71, 131,269.14 and 61,218.41

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Solution

The fourth proportional to 95,165.71, 131,269.14 and 61,218.41 is: 84,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,165.71 : 131,269.14 = 61,218.41 : x
  2. Step 2: Convert to fraction form
    95,165.71/131,269.14 = 61,218.41/x
  3. Step 3: Cross multiply
    95,165.71x = 131,269.14 × 61,218.41
  4. Step 4: Simplify right side
    95,165.71x = 8,036,087,376.52
  5. Step 5: Solve for x
    x = 8,036,087,376.52/95,165.71
  6. Step 6: Final answer
    x = 84,443.10

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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.