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Finding the Fourth Proportional to 96,757.80, 145,216.68 and 49,407.92

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Solution

The fourth proportional to 96,757.80, 145,216.68 and 49,407.92 is: 74,152.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,757.80 : 145,216.68 = 49,407.92 : x
  2. Step 2: Convert to fraction form
    96,757.80/145,216.68 = 49,407.92/x
  3. Step 3: Cross multiply
    96,757.80x = 145,216.68 × 49,407.92
  4. Step 4: Simplify right side
    96,757.80x = 7,174,854,108.11
  5. Step 5: Solve for x
    x = 7,174,854,108.11/96,757.80
  6. Step 6: Final answer
    x = 74,152.72

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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.