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Finding the Fourth Proportional to 125,540.98, 188,322.53 and 35,584.90

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Solution

The fourth proportional to 125,540.98, 188,322.53 and 35,584.90 is: 53,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,540.98 : 188,322.53 = 35,584.90 : x
  2. Step 2: Convert to fraction form
    125,540.98/188,322.53 = 35,584.90/x
  3. Step 3: Cross multiply
    125,540.98x = 188,322.53 × 35,584.90
  4. Step 4: Simplify right side
    125,540.98x = 6,701,438,397.80
  5. Step 5: Solve for x
    x = 6,701,438,397.80/125,540.98
  6. Step 6: Final answer
    x = 53,380.48

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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.