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Finding the Fourth Proportional to 74,873.55, 112,131.72 and 41,510.87

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Solution

The fourth proportional to 74,873.55, 112,131.72 and 41,510.87 is: 62,167.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,873.55 : 112,131.72 = 41,510.87 : x
  2. Step 2: Convert to fraction form
    74,873.55/112,131.72 = 41,510.87/x
  3. Step 3: Cross multiply
    74,873.55x = 112,131.72 × 41,510.87
  4. Step 4: Simplify right side
    74,873.55x = 4,654,684,691.14
  5. Step 5: Solve for x
    x = 4,654,684,691.14/74,873.55
  6. Step 6: Final answer
    x = 62,167.28

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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.