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Finding the Fourth Proportional to 96,279.70, 144,373.97 and 56,310.25

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Solution

The fourth proportional to 96,279.70, 144,373.97 and 56,310.25 is: 84,438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,279.70 : 144,373.97 = 56,310.25 : x
  2. Step 2: Convert to fraction form
    96,279.70/144,373.97 = 56,310.25/x
  3. Step 3: Cross multiply
    96,279.70x = 144,373.97 × 56,310.25
  4. Step 4: Simplify right side
    96,279.70x = 8,129,734,344.19
  5. Step 5: Solve for x
    x = 8,129,734,344.19/96,279.70
  6. Step 6: Final answer
    x = 84,438.72

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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.