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Finding the Fourth Proportional to 96,791.52, 145,120.88 and 49,314.72

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Solution

The fourth proportional to 96,791.52, 145,120.88 and 49,314.72 is: 73,938.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,791.52 : 145,120.88 = 49,314.72 : x
  2. Step 2: Convert to fraction form
    96,791.52/145,120.88 = 49,314.72/x
  3. Step 3: Cross multiply
    96,791.52x = 145,120.88 × 49,314.72
  4. Step 4: Simplify right side
    96,791.52x = 7,156,595,563.35
  5. Step 5: Solve for x
    x = 7,156,595,563.35/96,791.52
  6. Step 6: Final answer
    x = 73,938.25

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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.