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Finding the Fourth Proportional to 182,399.60, 251,687.04 and 101,815.40

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Solution

The fourth proportional to 182,399.60, 251,687.04 and 101,815.40 is: 140,491.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,399.60 : 251,687.04 = 101,815.40 : x
  2. Step 2: Convert to fraction form
    182,399.60/251,687.04 = 101,815.40/x
  3. Step 3: Cross multiply
    182,399.60x = 251,687.04 × 101,815.40
  4. Step 4: Simplify right side
    182,399.60x = 25,625,616,652.42
  5. Step 5: Solve for x
    x = 25,625,616,652.42/182,399.60
  6. Step 6: Final answer
    x = 140,491.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.