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Finding the Fourth Proportional to 179,475.90, 268,695.45 and 109,491.90

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Solution

The fourth proportional to 179,475.90, 268,695.45 and 109,491.90 is: 163,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,475.90 : 268,695.45 = 109,491.90 : x
  2. Step 2: Convert to fraction form
    179,475.90/268,695.45 = 109,491.90/x
  3. Step 3: Cross multiply
    179,475.90x = 268,695.45 × 109,491.90
  4. Step 4: Simplify right side
    179,475.90x = 29,419,975,341.86
  5. Step 5: Solve for x
    x = 29,419,975,341.86/179,475.90
  6. Step 6: Final answer
    x = 163,921.59

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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.