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Finding the Fourth Proportional to 125,462.50, 188,194.03 and 88,189.37

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Solution

The fourth proportional to 125,462.50, 188,194.03 and 88,189.37 is: 132,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,462.50 : 188,194.03 = 88,189.37 : x
  2. Step 2: Convert to fraction form
    125,462.50/188,194.03 = 88,189.37/x
  3. Step 3: Cross multiply
    125,462.50x = 188,194.03 × 88,189.37
  4. Step 4: Simplify right side
    125,462.50x = 16,596,711,782.02
  5. Step 5: Solve for x
    x = 16,596,711,782.02/125,462.50
  6. Step 6: Final answer
    x = 132,284.24

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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.