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Finding the Fourth Proportional to 181,470.50, 250,429.29 and 101,982.50

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Solution

The fourth proportional to 181,470.50, 250,429.29 and 101,982.50 is: 140,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,470.50 : 250,429.29 = 101,982.50 : x
  2. Step 2: Convert to fraction form
    181,470.50/250,429.29 = 101,982.50/x
  3. Step 3: Cross multiply
    181,470.50x = 250,429.29 × 101,982.50
  4. Step 4: Simplify right side
    181,470.50x = 25,539,405,067.43
  5. Step 5: Solve for x
    x = 25,539,405,067.43/181,470.50
  6. Step 6: Final answer
    x = 140,735.85

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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.