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Finding the Fourth Proportional to 200,452.20, 300,590.10 and 60,178.20

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Solution

The fourth proportional to 200,452.20, 300,590.10 and 60,178.20 is: 90,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,452.20 : 300,590.10 = 60,178.20 : x
  2. Step 2: Convert to fraction form
    200,452.20/300,590.10 = 60,178.20/x
  3. Step 3: Cross multiply
    200,452.20x = 300,590.10 × 60,178.20
  4. Step 4: Simplify right side
    200,452.20x = 18,088,971,155.82
  5. Step 5: Solve for x
    x = 18,088,971,155.82/200,452.20
  6. Step 6: Final answer
    x = 90,240.82

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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.