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Finding the Fourth Proportional to 75,544.66, 113,265.87 and 42,287.68

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Solution

The fourth proportional to 75,544.66, 113,265.87 and 42,287.68 is: 63,402.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,544.66 : 113,265.87 = 42,287.68 : x
  2. Step 2: Convert to fraction form
    75,544.66/113,265.87 = 42,287.68/x
  3. Step 3: Cross multiply
    75,544.66x = 113,265.87 × 42,287.68
  4. Step 4: Simplify right side
    75,544.66x = 4,789,750,865.48
  5. Step 5: Solve for x
    x = 4,789,750,865.48/75,544.66
  6. Step 6: Final answer
    x = 63,402.90

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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.