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Finding the Fourth Proportional to 124,857.68, 187,296.81 and 40,615.92

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Solution

The fourth proportional to 124,857.68, 187,296.81 and 40,615.92 is: 60,927.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,857.68 : 187,296.81 = 40,615.92 : x
  2. Step 2: Convert to fraction form
    124,857.68/187,296.81 = 40,615.92/x
  3. Step 3: Cross multiply
    124,857.68x = 187,296.81 × 40,615.92
  4. Step 4: Simplify right side
    124,857.68x = 7,607,232,251.22
  5. Step 5: Solve for x
    x = 7,607,232,251.22/124,857.68
  6. Step 6: Final answer
    x = 60,927.23

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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.