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Finding the Fourth Proportional to 60,201.01, 83,078.78 and 32,979.70

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Solution

The fourth proportional to 60,201.01, 83,078.78 and 32,979.70 is: 45,512.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,201.01 : 83,078.78 = 32,979.70 : x
  2. Step 2: Convert to fraction form
    60,201.01/83,078.78 = 32,979.70/x
  3. Step 3: Cross multiply
    60,201.01x = 83,078.78 × 32,979.70
  4. Step 4: Simplify right side
    60,201.01x = 2,739,913,240.77
  5. Step 5: Solve for x
    x = 2,739,913,240.77/60,201.01
  6. Step 6: Final answer
    x = 45,512.75

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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.