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Finding the Fourth Proportional to 181,668.70, 250,652.46 and 109,052.74

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Solution

The fourth proportional to 181,668.70, 250,652.46 and 109,052.74 is: 150,462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,668.70 : 250,652.46 = 109,052.74 : x
  2. Step 2: Convert to fraction form
    181,668.70/250,652.46 = 109,052.74/x
  3. Step 3: Cross multiply
    181,668.70x = 250,652.46 × 109,052.74
  4. Step 4: Simplify right side
    181,668.70x = 27,334,337,550.74
  5. Step 5: Solve for x
    x = 27,334,337,550.74/181,668.70
  6. Step 6: Final answer
    x = 150,462.56

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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.