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Finding the Fourth Proportional to 220,830.53, 304,723.24 and 124,045.25

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Solution

The fourth proportional to 220,830.53, 304,723.24 and 124,045.25 is: 171,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,830.53 : 304,723.24 = 124,045.25 : x
  2. Step 2: Convert to fraction form
    220,830.53/304,723.24 = 124,045.25/x
  3. Step 3: Cross multiply
    220,830.53x = 304,723.24 × 124,045.25
  4. Step 4: Simplify right side
    220,830.53x = 37,799,468,652.88
  5. Step 5: Solve for x
    x = 37,799,468,652.88/220,830.53
  6. Step 6: Final answer
    x = 171,169.58

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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.