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Finding the Fourth Proportional to 95,143.65, 142,612.47 and 61,887.48

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Solution

The fourth proportional to 95,143.65, 142,612.47 and 61,887.48 is: 92,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,143.65 : 142,612.47 = 61,887.48 : x
  2. Step 2: Convert to fraction form
    95,143.65/142,612.47 = 61,887.48/x
  3. Step 3: Cross multiply
    95,143.65x = 142,612.47 × 61,887.48
  4. Step 4: Simplify right side
    95,143.65x = 8,825,926,384.88
  5. Step 5: Solve for x
    x = 8,825,926,384.88/95,143.65
  6. Step 6: Final answer
    x = 92,764.22

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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.