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Finding the Fourth Proportional to 113,301.60, 169,952.40 and 54,252.60

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Solution

The fourth proportional to 113,301.60, 169,952.40 and 54,252.60 is: 81,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,301.60 : 169,952.40 = 54,252.60 : x
  2. Step 2: Convert to fraction form
    113,301.60/169,952.40 = 54,252.60/x
  3. Step 3: Cross multiply
    113,301.60x = 169,952.40 × 54,252.60
  4. Step 4: Simplify right side
    113,301.60x = 9,220,359,576.24
  5. Step 5: Solve for x
    x = 9,220,359,576.24/113,301.60
  6. Step 6: Final answer
    x = 81,378.90

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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.