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Finding the Fourth Proportional to 220,834.50, 304,727.34 and 124,018.71

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Solution

The fourth proportional to 220,834.50, 304,727.34 and 124,018.71 is: 171,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,834.50 : 304,727.34 = 124,018.71 : x
  2. Step 2: Convert to fraction form
    220,834.50/304,727.34 = 124,018.71/x
  3. Step 3: Cross multiply
    220,834.50x = 304,727.34 × 124,018.71
  4. Step 4: Simplify right side
    220,834.50x = 37,791,891,608.53
  5. Step 5: Solve for x
    x = 37,791,891,608.53/220,834.50
  6. Step 6: Final answer
    x = 171,132.19

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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.