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Finding the Fourth Proportional to 164,850.66, 247,306.71 and 74,899.68

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Solution

The fourth proportional to 164,850.66, 247,306.71 and 74,899.68 is: 112,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,850.66 : 247,306.71 = 74,899.68 : x
  2. Step 2: Convert to fraction form
    164,850.66/247,306.71 = 74,899.68/x
  3. Step 3: Cross multiply
    164,850.66x = 247,306.71 × 74,899.68
  4. Step 4: Simplify right side
    164,850.66x = 18,523,193,440.85
  5. Step 5: Solve for x
    x = 18,523,193,440.85/164,850.66
  6. Step 6: Final answer
    x = 112,363.48

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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.