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Finding the Fourth Proportional to 220,240.32, 303,948.36 and 124,744.56

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Solution

The fourth proportional to 220,240.32, 303,948.36 and 124,744.56 is: 172,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,240.32 : 303,948.36 = 124,744.56 : x
  2. Step 2: Convert to fraction form
    220,240.32/303,948.36 = 124,744.56/x
  3. Step 3: Cross multiply
    220,240.32x = 303,948.36 × 124,744.56
  4. Step 4: Simplify right side
    220,240.32x = 37,915,904,430.92
  5. Step 5: Solve for x
    x = 37,915,904,430.92/220,240.32
  6. Step 6: Final answer
    x = 172,156.96

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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.