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Finding the Fourth Proportional to 181,678.65, 250,728.31 and 101,105.92

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Solution

The fourth proportional to 181,678.65, 250,728.31 and 101,105.92 is: 139,532.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,678.65 : 250,728.31 = 101,105.92 : x
  2. Step 2: Convert to fraction form
    181,678.65/250,728.31 = 101,105.92/x
  3. Step 3: Cross multiply
    181,678.65x = 250,728.31 × 101,105.92
  4. Step 4: Simplify right side
    181,678.65x = 25,350,116,892.39
  5. Step 5: Solve for x
    x = 25,350,116,892.39/181,678.65
  6. Step 6: Final answer
    x = 139,532.73

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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.