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Finding the Fourth Proportional to 84,238.92, 116,200.98 and 54,430.92

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Solution

The fourth proportional to 84,238.92, 116,200.98 and 54,430.92 is: 75,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,238.92 : 116,200.98 = 54,430.92 : x
  2. Step 2: Convert to fraction form
    84,238.92/116,200.98 = 54,430.92/x
  3. Step 3: Cross multiply
    84,238.92x = 116,200.98 × 54,430.92
  4. Step 4: Simplify right side
    84,238.92x = 6,324,926,246.30
  5. Step 5: Solve for x
    x = 6,324,926,246.30/84,238.92
  6. Step 6: Final answer
    x = 75,083.18

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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.