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Finding the Fourth Proportional to 113,200.60, 169,800.90 and 54,151.60

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Solution

The fourth proportional to 113,200.60, 169,800.90 and 54,151.60 is: 81,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,200.60 : 169,800.90 = 54,151.60 : x
  2. Step 2: Convert to fraction form
    113,200.60/169,800.90 = 54,151.60/x
  3. Step 3: Cross multiply
    113,200.60x = 169,800.90 × 54,151.60
  4. Step 4: Simplify right side
    113,200.60x = 9,194,990,416.44
  5. Step 5: Solve for x
    x = 9,194,990,416.44/113,200.60
  6. Step 6: Final answer
    x = 81,227.40

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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.