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Finding the Fourth Proportional to 115,939.80, 173,808.45 and 44,910.90

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Solution

The fourth proportional to 115,939.80, 173,808.45 and 44,910.90 is: 67,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,939.80 : 173,808.45 = 44,910.90 : x
  2. Step 2: Convert to fraction form
    115,939.80/173,808.45 = 44,910.90/x
  3. Step 3: Cross multiply
    115,939.80x = 173,808.45 × 44,910.90
  4. Step 4: Simplify right side
    115,939.80x = 7,805,893,917.11
  5. Step 5: Solve for x
    x = 7,805,893,917.11/115,939.80
  6. Step 6: Final answer
    x = 67,327.13

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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.