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Finding the Fourth Proportional to 78,194.92, 107,923.44 and 44,660.92

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Solution

The fourth proportional to 78,194.92, 107,923.44 and 44,660.92 is: 61,640.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,194.92 : 107,923.44 = 44,660.92 : x
  2. Step 2: Convert to fraction form
    78,194.92/107,923.44 = 44,660.92/x
  3. Step 3: Cross multiply
    78,194.92x = 107,923.44 × 44,660.92
  4. Step 4: Simplify right side
    78,194.92x = 4,819,960,119.96
  5. Step 5: Solve for x
    x = 4,819,960,119.96/78,194.92
  6. Step 6: Final answer
    x = 61,640.32

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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.