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Finding the Fourth Proportional to 84,235.92, 116,196.84 and 54,427.92

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Solution

The fourth proportional to 84,235.92, 116,196.84 and 54,427.92 is: 75,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,235.92 : 116,196.84 = 54,427.92 : x
  2. Step 2: Convert to fraction form
    84,235.92/116,196.84 = 54,427.92/x
  3. Step 3: Cross multiply
    84,235.92x = 116,196.84 × 54,427.92
  4. Step 4: Simplify right side
    84,235.92x = 6,324,352,311.77
  5. Step 5: Solve for x
    x = 6,324,352,311.77/84,235.92
  6. Step 6: Final answer
    x = 75,079.04

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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.