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Finding the Fourth Proportional to 168,026.40, 252,034.20 and 55,711.80

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Solution

The fourth proportional to 168,026.40, 252,034.20 and 55,711.80 is: 83,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,026.40 : 252,034.20 = 55,711.80 : x
  2. Step 2: Convert to fraction form
    168,026.40/252,034.20 = 55,711.80/x
  3. Step 3: Cross multiply
    168,026.40x = 252,034.20 × 55,711.80
  4. Step 4: Simplify right side
    168,026.40x = 14,041,278,943.56
  5. Step 5: Solve for x
    x = 14,041,278,943.56/168,026.40
  6. Step 6: Final answer
    x = 83,565.91

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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.