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Finding the Fourth Proportional to 115,494.76, 173,212.05 and 48,900.61

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Solution

The fourth proportional to 115,494.76, 173,212.05 and 48,900.61 is: 73,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,494.76 : 173,212.05 = 48,900.61 : x
  2. Step 2: Convert to fraction form
    115,494.76/173,212.05 = 48,900.61/x
  3. Step 3: Cross multiply
    115,494.76x = 173,212.05 × 48,900.61
  4. Step 4: Simplify right side
    115,494.76x = 8,470,175,304.24
  5. Step 5: Solve for x
    x = 8,470,175,304.24/115,494.76
  6. Step 6: Final answer
    x = 73,338.18

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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.