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Finding the Fourth Proportional to 232,139.52, 348,186.60 and 74,325.60

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Solution

The fourth proportional to 232,139.52, 348,186.60 and 74,325.60 is: 111,481.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,139.52 : 348,186.60 = 74,325.60 : x
  2. Step 2: Convert to fraction form
    232,139.52/348,186.60 = 74,325.60/x
  3. Step 3: Cross multiply
    232,139.52x = 348,186.60 × 74,325.60
  4. Step 4: Simplify right side
    232,139.52x = 25,879,177,956.96
  5. Step 5: Solve for x
    x = 25,879,177,956.96/232,139.52
  6. Step 6: Final answer
    x = 111,481.14

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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.