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Finding the Fourth Proportional to 125,996.37, 173,874.96 and 69,407.73

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Solution

The fourth proportional to 125,996.37, 173,874.96 and 69,407.73 is: 95,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,996.37 : 173,874.96 = 69,407.73 : x
  2. Step 2: Convert to fraction form
    125,996.37/173,874.96 = 69,407.73/x
  3. Step 3: Cross multiply
    125,996.37x = 173,874.96 × 69,407.73
  4. Step 4: Simplify right side
    125,996.37x = 12,068,266,277.44
  5. Step 5: Solve for x
    x = 12,068,266,277.44/125,996.37
  6. Step 6: Final answer
    x = 95,782.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.