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Finding the Fourth Proportional to 124,449.90, 186,650.55 and 41,343.90

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Solution

The fourth proportional to 124,449.90, 186,650.55 and 41,343.90 is: 62,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,449.90 : 186,650.55 = 41,343.90 : x
  2. Step 2: Convert to fraction form
    124,449.90/186,650.55 = 41,343.90/x
  3. Step 3: Cross multiply
    124,449.90x = 186,650.55 × 41,343.90
  4. Step 4: Simplify right side
    124,449.90x = 7,716,861,674.15
  5. Step 5: Solve for x
    x = 7,716,861,674.15/124,449.90
  6. Step 6: Final answer
    x = 62,007.78

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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.