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Finding the Fourth Proportional to 141,591.87, 212,389.43 and 48,104.91

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Solution

The fourth proportional to 141,591.87, 212,389.43 and 48,104.91 is: 72,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,591.87 : 212,389.43 = 48,104.91 : x
  2. Step 2: Convert to fraction form
    141,591.87/212,389.43 = 48,104.91/x
  3. Step 3: Cross multiply
    141,591.87x = 212,389.43 × 48,104.91
  4. Step 4: Simplify right side
    141,591.87x = 10,216,974,174.58
  5. Step 5: Solve for x
    x = 10,216,974,174.58/141,591.87
  6. Step 6: Final answer
    x = 72,157.92

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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.