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Finding the Fourth Proportional to 96,703.97, 145,062.74 and 40,487.34

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Solution

The fourth proportional to 96,703.97, 145,062.74 and 40,487.34 is: 60,733.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,703.97 : 145,062.74 = 40,487.34 : x
  2. Step 2: Convert to fraction form
    96,703.97/145,062.74 = 40,487.34/x
  3. Step 3: Cross multiply
    96,703.97x = 145,062.74 × 40,487.34
  4. Step 4: Simplify right side
    96,703.97x = 5,873,204,475.71
  5. Step 5: Solve for x
    x = 5,873,204,475.71/96,703.97
  6. Step 6: Final answer
    x = 60,733.85

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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.