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Finding the Fourth Proportional to 113,173.56, 156,184.44 and 62,872.56

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Solution

The fourth proportional to 113,173.56, 156,184.44 and 62,872.56 is: 86,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,173.56 : 156,184.44 = 62,872.56 : x
  2. Step 2: Convert to fraction form
    113,173.56/156,184.44 = 62,872.56/x
  3. Step 3: Cross multiply
    113,173.56x = 156,184.44 × 62,872.56
  4. Step 4: Simplify right side
    113,173.56x = 9,819,715,574.97
  5. Step 5: Solve for x
    x = 9,819,715,574.97/113,173.56
  6. Step 6: Final answer
    x = 86,766.87

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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.