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Finding the Fourth Proportional to 147,044.60, 220,566.90 and 133,485.20

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Solution

The fourth proportional to 147,044.60, 220,566.90 and 133,485.20 is: 200,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,044.60 : 220,566.90 = 133,485.20 : x
  2. Step 2: Convert to fraction form
    147,044.60/220,566.90 = 133,485.20/x
  3. Step 3: Cross multiply
    147,044.60x = 220,566.90 × 133,485.20
  4. Step 4: Simplify right side
    147,044.60x = 29,442,416,759.88
  5. Step 5: Solve for x
    x = 29,442,416,759.88/147,044.60
  6. Step 6: Final answer
    x = 200,227.80

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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.