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Finding the Fourth Proportional to 59,143.85, 88,499.78 and 43,591.85

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Solution

The fourth proportional to 59,143.85, 88,499.78 and 43,591.85 is: 65,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,143.85 : 88,499.78 = 43,591.85 : x
  2. Step 2: Convert to fraction form
    59,143.85/88,499.78 = 43,591.85/x
  3. Step 3: Cross multiply
    59,143.85x = 88,499.78 × 43,591.85
  4. Step 4: Simplify right side
    59,143.85x = 3,857,868,916.83
  5. Step 5: Solve for x
    x = 3,857,868,916.83/59,143.85
  6. Step 6: Final answer
    x = 65,228.57

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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.