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Finding the Fourth Proportional to 125,254.88, 172,853.96 and 67,896.08

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Solution

The fourth proportional to 125,254.88, 172,853.96 and 67,896.08 is: 93,697.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,254.88 : 172,853.96 = 67,896.08 : x
  2. Step 2: Convert to fraction form
    125,254.88/172,853.96 = 67,896.08/x
  3. Step 3: Cross multiply
    125,254.88x = 172,853.96 × 67,896.08
  4. Step 4: Simplify right side
    125,254.88x = 11,736,105,092.73
  5. Step 5: Solve for x
    x = 11,736,105,092.73/125,254.88
  6. Step 6: Final answer
    x = 93,697.79

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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.