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Finding the Fourth Proportional to 220,359.88, 304,046.58 and 124,844.68

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Solution

The fourth proportional to 220,359.88, 304,046.58 and 124,844.68 is: 172,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,359.88 : 304,046.58 = 124,844.68 : x
  2. Step 2: Convert to fraction form
    220,359.88/304,046.58 = 124,844.68/x
  3. Step 3: Cross multiply
    220,359.88x = 304,046.58 × 124,844.68
  4. Step 4: Simplify right side
    220,359.88x = 37,958,597,985.19
  5. Step 5: Solve for x
    x = 37,958,597,985.19/220,359.88
  6. Step 6: Final answer
    x = 172,257.30

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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.