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Finding the Fourth Proportional to 71,232.84, 98,750.86 and 67,440.84

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Solution

The fourth proportional to 71,232.84, 98,750.86 and 67,440.84 is: 93,493.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,232.84 : 98,750.86 = 67,440.84 : x
  2. Step 2: Convert to fraction form
    71,232.84/98,750.86 = 67,440.84/x
  3. Step 3: Cross multiply
    71,232.84x = 98,750.86 × 67,440.84
  4. Step 4: Simplify right side
    71,232.84x = 6,659,840,949.12
  5. Step 5: Solve for x
    x = 6,659,840,949.12/71,232.84
  6. Step 6: Final answer
    x = 93,493.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.