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Finding the Fourth Proportional to 101,217.40, 151,631.70 and 59,615.80

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Solution

The fourth proportional to 101,217.40, 151,631.70 and 59,615.80 is: 89,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,217.40 : 151,631.70 = 59,615.80 : x
  2. Step 2: Convert to fraction form
    101,217.40/151,631.70 = 59,615.80/x
  3. Step 3: Cross multiply
    101,217.40x = 151,631.70 × 59,615.80
  4. Step 4: Simplify right side
    101,217.40x = 9,039,645,100.86
  5. Step 5: Solve for x
    x = 9,039,645,100.86/101,217.40
  6. Step 6: Final answer
    x = 89,309.20

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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.