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Finding the Fourth Proportional to 95,169.84, 142,960.76 and 61,872.78

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Solution

The fourth proportional to 95,169.84, 142,960.76 and 61,872.78 is: 92,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,169.84 : 142,960.76 = 61,872.78 : x
  2. Step 2: Convert to fraction form
    95,169.84/142,960.76 = 61,872.78/x
  3. Step 3: Cross multiply
    95,169.84x = 142,960.76 × 61,872.78
  4. Step 4: Simplify right side
    95,169.84x = 8,845,379,652.11
  5. Step 5: Solve for x
    x = 8,845,379,652.11/95,169.84
  6. Step 6: Final answer
    x = 92,943.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.