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Finding the Fourth Proportional to 113,862.96, 170,565.96 and 104,562.12

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Solution

The fourth proportional to 113,862.96, 170,565.96 and 104,562.12 is: 156,633.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,862.96 : 170,565.96 = 104,562.12 : x
  2. Step 2: Convert to fraction form
    113,862.96/170,565.96 = 104,562.12/x
  3. Step 3: Cross multiply
    113,862.96x = 170,565.96 × 104,562.12
  4. Step 4: Simplify right side
    113,862.96x = 17,834,738,377.44
  5. Step 5: Solve for x
    x = 17,834,738,377.44/113,862.96
  6. Step 6: Final answer
    x = 156,633.36

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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.