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Finding the Fourth Proportional to 179,700.78, 268,990.24 and 132,369.24

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Solution

The fourth proportional to 179,700.78, 268,990.24 and 132,369.24 is: 198,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,700.78 : 268,990.24 = 132,369.24 : x
  2. Step 2: Convert to fraction form
    179,700.78/268,990.24 = 132,369.24/x
  3. Step 3: Cross multiply
    179,700.78x = 268,990.24 × 132,369.24
  4. Step 4: Simplify right side
    179,700.78x = 35,606,031,960.34
  5. Step 5: Solve for x
    x = 35,606,031,960.34/179,700.78
  6. Step 6: Final answer
    x = 198,140.67

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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.