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Finding the Fourth Proportional to 133,613.10, 200,419.65 and 63,629.10

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Solution

The fourth proportional to 133,613.10, 200,419.65 and 63,629.10 is: 95,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,613.10 : 200,419.65 = 63,629.10 : x
  2. Step 2: Convert to fraction form
    133,613.10/200,419.65 = 63,629.10/x
  3. Step 3: Cross multiply
    133,613.10x = 200,419.65 × 63,629.10
  4. Step 4: Simplify right side
    133,613.10x = 12,752,521,951.82
  5. Step 5: Solve for x
    x = 12,752,521,951.82/133,613.10
  6. Step 6: Final answer
    x = 95,443.65

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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.