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Finding the Fourth Proportional to 115,908.89, 173,863.34 and 63,289.67

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Solution

The fourth proportional to 115,908.89, 173,863.34 and 63,289.67 is: 94,934.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,908.89 : 173,863.34 = 63,289.67 : x
  2. Step 2: Convert to fraction form
    115,908.89/173,863.34 = 63,289.67/x
  3. Step 3: Cross multiply
    115,908.89x = 173,863.34 × 63,289.67
  4. Step 4: Simplify right side
    115,908.89x = 11,003,753,097.25
  5. Step 5: Solve for x
    x = 11,003,753,097.25/115,908.89
  6. Step 6: Final answer
    x = 94,934.51

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Similar ratio
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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.