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Finding the Fourth Proportional to 84,022.92, 115,959.60 and 48,220.92

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Solution

The fourth proportional to 84,022.92, 115,959.60 and 48,220.92 is: 66,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,022.92 : 115,959.60 = 48,220.92 : x
  2. Step 2: Convert to fraction form
    84,022.92/115,959.60 = 48,220.92/x
  3. Step 3: Cross multiply
    84,022.92x = 115,959.60 × 48,220.92
  4. Step 4: Simplify right side
    84,022.92x = 5,591,678,594.83
  5. Step 5: Solve for x
    x = 5,591,678,594.83/84,022.92
  6. Step 6: Final answer
    x = 66,549.44

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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.