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Finding the Fourth Proportional to 266,161.92, 367,297.60 and 145,298.56

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Solution

The fourth proportional to 266,161.92, 367,297.60 and 145,298.56 is: 200,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,161.92 : 367,297.60 = 145,298.56 : x
  2. Step 2: Convert to fraction form
    266,161.92/367,297.60 = 145,298.56/x
  3. Step 3: Cross multiply
    266,161.92x = 367,297.60 × 145,298.56
  4. Step 4: Simplify right side
    266,161.92x = 53,367,812,371.46
  5. Step 5: Solve for x
    x = 53,367,812,371.46/266,161.92
  6. Step 6: Final answer
    x = 200,508.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.