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Finding the Fourth Proportional to 178,771.76, 268,154.38 and 150,871.04

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Solution

The fourth proportional to 178,771.76, 268,154.38 and 150,871.04 is: 226,303.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,771.76 : 268,154.38 = 150,871.04 : x
  2. Step 2: Convert to fraction form
    178,771.76/268,154.38 = 150,871.04/x
  3. Step 3: Cross multiply
    178,771.76x = 268,154.38 × 150,871.04
  4. Step 4: Simplify right side
    178,771.76x = 40,456,730,191.16
  5. Step 5: Solve for x
    x = 40,456,730,191.16/178,771.76
  6. Step 6: Final answer
    x = 226,303.81

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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.