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Finding the Fourth Proportional to 101,023.92, 151,535.88 and 100,878.12

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Solution

The fourth proportional to 101,023.92, 151,535.88 and 100,878.12 is: 151,317.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,023.92 : 151,535.88 = 100,878.12 : x
  2. Step 2: Convert to fraction form
    101,023.92/151,535.88 = 100,878.12/x
  3. Step 3: Cross multiply
    101,023.92x = 151,535.88 × 100,878.12
  4. Step 4: Simplify right side
    101,023.92x = 15,286,654,686.95
  5. Step 5: Solve for x
    x = 15,286,654,686.95/101,023.92
  6. Step 6: Final answer
    x = 151,317.18

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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.