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Finding the Fourth Proportional to 268,424.50, 370,432.87 and 147,568.83

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Solution

The fourth proportional to 268,424.50, 370,432.87 and 147,568.83 is: 203,648.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,424.50 : 370,432.87 = 147,568.83 : x
  2. Step 2: Convert to fraction form
    268,424.50/370,432.87 = 147,568.83/x
  3. Step 3: Cross multiply
    268,424.50x = 370,432.87 × 147,568.83
  4. Step 4: Simplify right side
    268,424.50x = 54,664,345,219.44
  5. Step 5: Solve for x
    x = 54,664,345,219.44/268,424.50
  6. Step 6: Final answer
    x = 203,648.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.