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Finding the Fourth Proportional to 267,974.96, 402,120.08 and 99,613.62

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Solution

The fourth proportional to 267,974.96, 402,120.08 and 99,613.62 is: 149,479.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,974.96 : 402,120.08 = 99,613.62 : x
  2. Step 2: Convert to fraction form
    267,974.96/402,120.08 = 99,613.62/x
  3. Step 3: Cross multiply
    267,974.96x = 402,120.08 × 99,613.62
  4. Step 4: Simplify right side
    267,974.96x = 40,056,636,345.42
  5. Step 5: Solve for x
    x = 40,056,636,345.42/267,974.96
  6. Step 6: Final answer
    x = 149,479.03

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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.