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Finding the Fourth Proportional to 83,244.80, 124,867.20 and 83,244.80

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Solution

The fourth proportional to 83,244.80, 124,867.20 and 83,244.80 is: 124,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,244.80 : 124,867.20 = 83,244.80 : x
  2. Step 2: Convert to fraction form
    83,244.80/124,867.20 = 83,244.80/x
  3. Step 3: Cross multiply
    83,244.80x = 124,867.20 × 83,244.80
  4. Step 4: Simplify right side
    83,244.80x = 10,394,545,090.56
  5. Step 5: Solve for x
    x = 10,394,545,090.56/83,244.80
  6. Step 6: Final answer
    x = 124,867.20

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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.