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Finding the Fourth Proportional to 70,194.87, 96,868.04 and 38,363.49

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Solution

The fourth proportional to 70,194.87, 96,868.04 and 38,363.49 is: 52,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,194.87 : 96,868.04 = 38,363.49 : x
  2. Step 2: Convert to fraction form
    70,194.87/96,868.04 = 38,363.49/x
  3. Step 3: Cross multiply
    70,194.87x = 96,868.04 × 38,363.49
  4. Step 4: Simplify right side
    70,194.87x = 3,716,195,892.04
  5. Step 5: Solve for x
    x = 3,716,195,892.04/70,194.87
  6. Step 6: Final answer
    x = 52,941.13

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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.