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Finding the Fourth Proportional to 98,151.20, 147,226.80 and 24,279.20

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Solution

The fourth proportional to 98,151.20, 147,226.80 and 24,279.20 is: 36,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,151.20 : 147,226.80 = 24,279.20 : x
  2. Step 2: Convert to fraction form
    98,151.20/147,226.80 = 24,279.20/x
  3. Step 3: Cross multiply
    98,151.20x = 147,226.80 × 24,279.20
  4. Step 4: Simplify right side
    98,151.20x = 3,574,548,922.56
  5. Step 5: Solve for x
    x = 3,574,548,922.56/98,151.20
  6. Step 6: Final answer
    x = 36,418.80

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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.