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Finding the Fourth Proportional to 245,432.52, 368,148.24 and 67,938.96

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Solution

The fourth proportional to 245,432.52, 368,148.24 and 67,938.96 is: 101,908.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,432.52 : 368,148.24 = 67,938.96 : x
  2. Step 2: Convert to fraction form
    245,432.52/368,148.24 = 67,938.96/x
  3. Step 3: Cross multiply
    245,432.52x = 368,148.24 × 67,938.96
  4. Step 4: Simplify right side
    245,432.52x = 25,011,608,551.43
  5. Step 5: Solve for x
    x = 25,011,608,551.43/245,432.52
  6. Step 6: Final answer
    x = 101,908.29

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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.