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Finding the Fourth Proportional to 125,741.19, 188,735.76 and 92,367.57

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Solution

The fourth proportional to 125,741.19, 188,735.76 and 92,367.57 is: 138,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,741.19 : 188,735.76 = 92,367.57 : x
  2. Step 2: Convert to fraction form
    125,741.19/188,735.76 = 92,367.57/x
  3. Step 3: Cross multiply
    125,741.19x = 188,735.76 × 92,367.57
  4. Step 4: Simplify right side
    125,741.19x = 17,433,063,523.30
  5. Step 5: Solve for x
    x = 17,433,063,523.30/125,741.19
  6. Step 6: Final answer
    x = 138,642.43

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1.5x scale

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.