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Finding the Fourth Proportional to 85,908.52, 118,553.72 and 48,194.92

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Solution

The fourth proportional to 85,908.52, 118,553.72 and 48,194.92 is: 66,508.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,908.52 : 118,553.72 = 48,194.92 : x
  2. Step 2: Convert to fraction form
    85,908.52/118,553.72 = 48,194.92/x
  3. Step 3: Cross multiply
    85,908.52x = 118,553.72 × 48,194.92
  4. Step 4: Simplify right side
    85,908.52x = 5,713,687,051.10
  5. Step 5: Solve for x
    x = 5,713,687,051.10/85,908.52
  6. Step 6: Final answer
    x = 66,508.97

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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.