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Finding the Fourth Proportional to 101,385.92, 152,056.28 and 29,323.04

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Solution

The fourth proportional to 101,385.92, 152,056.28 and 29,323.04 is: 43,978.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,385.92 : 152,056.28 = 29,323.04 : x
  2. Step 2: Convert to fraction form
    101,385.92/152,056.28 = 29,323.04/x
  3. Step 3: Cross multiply
    101,385.92x = 152,056.28 × 29,323.04
  4. Step 4: Simplify right side
    101,385.92x = 4,458,752,380.69
  5. Step 5: Solve for x
    x = 4,458,752,380.69/101,385.92
  6. Step 6: Final answer
    x = 43,978.02

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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.