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Finding the Fourth Proportional to 91,750.60, 137,496.30 and 64,016.20

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Solution

The fourth proportional to 91,750.60, 137,496.30 and 64,016.20 is: 95,933.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,750.60 : 137,496.30 = 64,016.20 : x
  2. Step 2: Convert to fraction form
    91,750.60/137,496.30 = 64,016.20/x
  3. Step 3: Cross multiply
    91,750.60x = 137,496.30 × 64,016.20
  4. Step 4: Simplify right side
    91,750.60x = 8,801,990,640.06
  5. Step 5: Solve for x
    x = 8,801,990,640.06/91,750.60
  6. Step 6: Final answer
    x = 95,933.88

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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.