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Finding the Fourth Proportional to 220,853.62, 304,744.86 and 124,053.76

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Solution

The fourth proportional to 220,853.62, 304,744.86 and 124,053.76 is: 171,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,853.62 : 304,744.86 = 124,053.76 : x
  2. Step 2: Convert to fraction form
    220,853.62/304,744.86 = 124,053.76/x
  3. Step 3: Cross multiply
    220,853.62x = 304,744.86 × 124,053.76
  4. Step 4: Simplify right side
    220,853.62x = 37,804,745,723.67
  5. Step 5: Solve for x
    x = 37,804,745,723.67/220,853.62
  6. Step 6: Final answer
    x = 171,175.58

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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.