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Finding the Fourth Proportional to 70,517.97, 105,614.96 and 59,281.65

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Solution

The fourth proportional to 70,517.97, 105,614.96 and 59,281.65 is: 88,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,517.97 : 105,614.96 = 59,281.65 : x
  2. Step 2: Convert to fraction form
    70,517.97/105,614.96 = 59,281.65/x
  3. Step 3: Cross multiply
    70,517.97x = 105,614.96 × 59,281.65
  4. Step 4: Simplify right side
    70,517.97x = 6,261,028,797.08
  5. Step 5: Solve for x
    x = 6,261,028,797.08/70,517.97
  6. Step 6: Final answer
    x = 88,786.29

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1.5x scale

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.