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Finding the Fourth Proportional to 70,194.60, 96,868.31 and 38,363.49

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Solution

The fourth proportional to 70,194.60, 96,868.31 and 38,363.49 is: 52,941.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,194.60 : 96,868.31 = 38,363.49 : x
  2. Step 2: Convert to fraction form
    70,194.60/96,868.31 = 38,363.49/x
  3. Step 3: Cross multiply
    70,194.60x = 96,868.31 × 38,363.49
  4. Step 4: Simplify right side
    70,194.60x = 3,716,205,765.84
  5. Step 5: Solve for x
    x = 3,716,205,765.84/70,194.60
  6. Step 6: Final answer
    x = 52,941.48

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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.