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Finding the Fourth Proportional to 70,086.62, 104,993.76 and 62,232.86

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Solution

The fourth proportional to 70,086.62, 104,993.76 and 62,232.86 is: 93,228.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,086.62 : 104,993.76 = 62,232.86 : x
  2. Step 2: Convert to fraction form
    70,086.62/104,993.76 = 62,232.86/x
  3. Step 3: Cross multiply
    70,086.62x = 104,993.76 × 62,232.86
  4. Step 4: Simplify right side
    70,086.62x = 6,534,061,966.95
  5. Step 5: Solve for x
    x = 6,534,061,966.95/70,086.62
  6. Step 6: Final answer
    x = 93,228.38

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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.