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Finding the Fourth Proportional to 232,367.63, 348,478.55 and 74,561

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Solution

The fourth proportional to 232,367.63, 348,478.55 and 74,561 is: 111,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,367.63 : 348,478.55 = 74,561 : x
  2. Step 2: Convert to fraction form
    232,367.63/348,478.55 = 74,561/x
  3. Step 3: Cross multiply
    232,367.63x = 348,478.55 × 74,561
  4. Step 4: Simplify right side
    232,367.63x = 25,982,908,793.75
  5. Step 5: Solve for x
    x = 25,982,908,793.75/232,367.63
  6. Step 6: Final answer
    x = 111,818.11

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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.