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Finding the Fourth Proportional to 99,827.52, 149,735.52 and 60,374.04

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Solution

The fourth proportional to 99,827.52, 149,735.52 and 60,374.04 is: 90,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,827.52 : 149,735.52 = 60,374.04 : x
  2. Step 2: Convert to fraction form
    99,827.52/149,735.52 = 60,374.04/x
  3. Step 3: Cross multiply
    99,827.52x = 149,735.52 × 60,374.04
  4. Step 4: Simplify right side
    99,827.52x = 9,040,138,273.90
  5. Step 5: Solve for x
    x = 9,040,138,273.90/99,827.52
  6. Step 6: Final answer
    x = 90,557.58

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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.