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Finding the Fourth Proportional to 232,574.86, 348,640.85 and 74,692.60

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Solution

The fourth proportional to 232,574.86, 348,640.85 and 74,692.60 is: 111,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,574.86 : 348,640.85 = 74,692.60 : x
  2. Step 2: Convert to fraction form
    232,574.86/348,640.85 = 74,692.60/x
  3. Step 3: Cross multiply
    232,574.86x = 348,640.85 × 74,692.60
  4. Step 4: Simplify right side
    232,574.86x = 26,040,889,436.04
  5. Step 5: Solve for x
    x = 26,040,889,436.04/232,574.86
  6. Step 6: Final answer
    x = 111,967.78

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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.