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Finding the Fourth Proportional to 205,545.56, 283,698.60 and 124,956

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Solution

The fourth proportional to 205,545.56, 283,698.60 and 124,956 is: 172,467.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,545.56 : 283,698.60 = 124,956 : x
  2. Step 2: Convert to fraction form
    205,545.56/283,698.60 = 124,956/x
  3. Step 3: Cross multiply
    205,545.56x = 283,698.60 × 124,956
  4. Step 4: Simplify right side
    205,545.56x = 35,449,842,261.60
  5. Step 5: Solve for x
    x = 35,449,842,261.60/205,545.56
  6. Step 6: Final answer
    x = 172,467.08

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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.