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Finding the Fourth Proportional to 181,262.70, 250,182.54 and 100,717.92

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Solution

The fourth proportional to 181,262.70, 250,182.54 and 100,717.92 is: 139,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,262.70 : 250,182.54 = 100,717.92 : x
  2. Step 2: Convert to fraction form
    181,262.70/250,182.54 = 100,717.92/x
  3. Step 3: Cross multiply
    181,262.70x = 250,182.54 × 100,717.92
  4. Step 4: Simplify right side
    181,262.70x = 25,197,865,049.12
  5. Step 5: Solve for x
    x = 25,197,865,049.12/181,262.70
  6. Step 6: Final answer
    x = 139,012.96

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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.