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Finding the Fourth Proportional to 125,257.86, 187,525.80 and 83,179.98

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Solution

The fourth proportional to 125,257.86, 187,525.80 and 83,179.98 is: 124,530.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,257.86 : 187,525.80 = 83,179.98 : x
  2. Step 2: Convert to fraction form
    125,257.86/187,525.80 = 83,179.98/x
  3. Step 3: Cross multiply
    125,257.86x = 187,525.80 × 83,179.98
  4. Step 4: Simplify right side
    125,257.86x = 15,598,392,293.48
  5. Step 5: Solve for x
    x = 15,598,392,293.48/125,257.86
  6. Step 6: Final answer
    x = 124,530.25

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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.