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Finding the Fourth Proportional to 88,991.59, 133,473.35 and 41,639.53

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Solution

The fourth proportional to 88,991.59, 133,473.35 and 41,639.53 is: 62,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,991.59 : 133,473.35 = 41,639.53 : x
  2. Step 2: Convert to fraction form
    88,991.59/133,473.35 = 41,639.53/x
  3. Step 3: Cross multiply
    88,991.59x = 133,473.35 × 41,639.53
  4. Step 4: Simplify right side
    88,991.59x = 5,557,767,353.33
  5. Step 5: Solve for x
    x = 5,557,767,353.33/88,991.59
  6. Step 6: Final answer
    x = 62,452.73

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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.