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Finding the Fourth Proportional to 70,188.59, 96,829.17 and 41,877.92

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Solution

The fourth proportional to 70,188.59, 96,829.17 and 41,877.92 is: 57,772.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,188.59 : 96,829.17 = 41,877.92 : x
  2. Step 2: Convert to fraction form
    70,188.59/96,829.17 = 41,877.92/x
  3. Step 3: Cross multiply
    70,188.59x = 96,829.17 × 41,877.92
  4. Step 4: Simplify right side
    70,188.59x = 4,055,004,234.93
  5. Step 5: Solve for x
    x = 4,055,004,234.93/70,188.59
  6. Step 6: Final answer
    x = 57,772.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.