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Finding the Fourth Proportional to 68,177.92, 94,114.56 and 45,834.88

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Solution

The fourth proportional to 68,177.92, 94,114.56 and 45,834.88 is: 63,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,177.92 : 94,114.56 = 45,834.88 : x
  2. Step 2: Convert to fraction form
    68,177.92/94,114.56 = 45,834.88/x
  3. Step 3: Cross multiply
    68,177.92x = 94,114.56 × 45,834.88
  4. Step 4: Simplify right side
    68,177.92x = 4,313,729,563.85
  5. Step 5: Solve for x
    x = 4,313,729,563.85/68,177.92
  6. Step 6: Final answer
    x = 63,271.65

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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.