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Finding the Fourth Proportional to 179,438.60, 268,866.30 and 149,695.40

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Solution

The fourth proportional to 179,438.60, 268,866.30 and 149,695.40 is: 224,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,438.60 : 268,866.30 = 149,695.40 : x
  2. Step 2: Convert to fraction form
    179,438.60/268,866.30 = 149,695.40/x
  3. Step 3: Cross multiply
    179,438.60x = 268,866.30 × 149,695.40
  4. Step 4: Simplify right side
    179,438.60x = 40,248,048,325.02
  5. Step 5: Solve for x
    x = 40,248,048,325.02/179,438.60
  6. Step 6: Final answer
    x = 224,299.83

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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.