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Finding the Fourth Proportional to 168,765.70, 253,148.55 and 149,082.70

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Solution

The fourth proportional to 168,765.70, 253,148.55 and 149,082.70 is: 223,624.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,765.70 : 253,148.55 = 149,082.70 : x
  2. Step 2: Convert to fraction form
    168,765.70/253,148.55 = 149,082.70/x
  3. Step 3: Cross multiply
    168,765.70x = 253,148.55 × 149,082.70
  4. Step 4: Simplify right side
    168,765.70x = 37,740,069,335.09
  5. Step 5: Solve for x
    x = 37,740,069,335.09/168,765.70
  6. Step 6: Final answer
    x = 223,624.05

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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.