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Finding the Fourth Proportional to 125,186.58, 187,568.73 and 61,922.34

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Solution

The fourth proportional to 125,186.58, 187,568.73 and 61,922.34 is: 92,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,186.58 : 187,568.73 = 61,922.34 : x
  2. Step 2: Convert to fraction form
    125,186.58/187,568.73 = 61,922.34/x
  3. Step 3: Cross multiply
    125,186.58x = 187,568.73 × 61,922.34
  4. Step 4: Simplify right side
    125,186.58x = 11,614,694,672.43
  5. Step 5: Solve for x
    x = 11,614,694,672.43/125,186.58
  6. Step 6: Final answer
    x = 92,779.07

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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.