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Finding the Fourth Proportional to 245,432.61, 368,107.91 and 67,957.56

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Solution

The fourth proportional to 245,432.61, 368,107.91 and 67,957.56 is: 101,924.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,432.61 : 368,107.91 = 67,957.56 : x
  2. Step 2: Convert to fraction form
    245,432.61/368,107.91 = 67,957.56/x
  3. Step 3: Cross multiply
    245,432.61x = 368,107.91 × 67,957.56
  4. Step 4: Simplify right side
    245,432.61x = 25,015,715,295.35
  5. Step 5: Solve for x
    x = 25,015,715,295.35/245,432.61
  6. Step 6: Final answer
    x = 101,924.99

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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.