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Finding the Fourth Proportional to 87,346.92, 131,019.16 and 49,826.92

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Solution

The fourth proportional to 87,346.92, 131,019.16 and 49,826.92 is: 74,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,346.92 : 131,019.16 = 49,826.92 : x
  2. Step 2: Convert to fraction form
    87,346.92/131,019.16 = 49,826.92/x
  3. Step 3: Cross multiply
    87,346.92x = 131,019.16 × 49,826.92
  4. Step 4: Simplify right side
    87,346.92x = 6,528,281,203.79
  5. Step 5: Solve for x
    x = 6,528,281,203.79/87,346.92
  6. Step 6: Final answer
    x = 74,739.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.