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Finding the Fourth Proportional to 269,713.10, 404,731.65 and 111,925.10

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Solution

The fourth proportional to 269,713.10, 404,731.65 and 111,925.10 is: 167,954.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,713.10 : 404,731.65 = 111,925.10 : x
  2. Step 2: Convert to fraction form
    269,713.10/404,731.65 = 111,925.10/x
  3. Step 3: Cross multiply
    269,713.10x = 404,731.65 × 111,925.10
  4. Step 4: Simplify right side
    269,713.10x = 45,299,630,399.42
  5. Step 5: Solve for x
    x = 45,299,630,399.42/269,713.10
  6. Step 6: Final answer
    x = 167,954.88

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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.