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Finding the Fourth Proportional to 125,462.60, 173,133.70 and 68,100.69

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Solution

The fourth proportional to 125,462.60, 173,133.70 and 68,100.69 is: 93,976.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,462.60 : 173,133.70 = 68,100.69 : x
  2. Step 2: Convert to fraction form
    125,462.60/173,133.70 = 68,100.69/x
  3. Step 3: Cross multiply
    125,462.60x = 173,133.70 × 68,100.69
  4. Step 4: Simplify right side
    125,462.60x = 11,790,524,432.25
  5. Step 5: Solve for x
    x = 11,790,524,432.25/125,462.60
  6. Step 6: Final answer
    x = 93,976.41

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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.