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Finding the Fourth Proportional to 169,079.20, 253,599.60 and 44,432.80

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Solution

The fourth proportional to 169,079.20, 253,599.60 and 44,432.80 is: 66,644.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,079.20 : 253,599.60 = 44,432.80 : x
  2. Step 2: Convert to fraction form
    169,079.20/253,599.60 = 44,432.80/x
  3. Step 3: Cross multiply
    169,079.20x = 253,599.60 × 44,432.80
  4. Step 4: Simplify right side
    169,079.20x = 11,268,140,306.88
  5. Step 5: Solve for x
    x = 11,268,140,306.88/169,079.20
  6. Step 6: Final answer
    x = 66,644.15

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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.