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Finding the Fourth Proportional to 147,002.20, 220,770.60 and 87,953.20

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Solution

The fourth proportional to 147,002.20, 220,770.60 and 87,953.20 is: 132,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,002.20 : 220,770.60 = 87,953.20 : x
  2. Step 2: Convert to fraction form
    147,002.20/220,770.60 = 87,953.20/x
  3. Step 3: Cross multiply
    147,002.20x = 220,770.60 × 87,953.20
  4. Step 4: Simplify right side
    147,002.20x = 19,417,480,735.92
  5. Step 5: Solve for x
    x = 19,417,480,735.92/147,002.20
  6. Step 6: Final answer
    x = 132,089.73

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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.