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Finding the Fourth Proportional to 68,230.62, 94,161.15 and 38,015.92

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Solution

The fourth proportional to 68,230.62, 94,161.15 and 38,015.92 is: 52,463.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,230.62 : 94,161.15 = 38,015.92 : x
  2. Step 2: Convert to fraction form
    68,230.62/94,161.15 = 38,015.92/x
  3. Step 3: Cross multiply
    68,230.62x = 94,161.15 × 38,015.92
  4. Step 4: Simplify right side
    68,230.62x = 3,579,622,555.43
  5. Step 5: Solve for x
    x = 3,579,622,555.43/68,230.62
  6. Step 6: Final answer
    x = 52,463.58

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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.