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Finding the Fourth Proportional to 125,886.78, 188,869.86 and 59,324.22

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Solution

The fourth proportional to 125,886.78, 188,869.86 and 59,324.22 is: 89,005.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,886.78 : 188,869.86 = 59,324.22 : x
  2. Step 2: Convert to fraction form
    125,886.78/188,869.86 = 59,324.22/x
  3. Step 3: Cross multiply
    125,886.78x = 188,869.86 × 59,324.22
  4. Step 4: Simplify right side
    125,886.78x = 11,204,557,126.01
  5. Step 5: Solve for x
    x = 11,204,557,126.01/125,886.78
  6. Step 6: Final answer
    x = 89,005.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.