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Finding the Fourth Proportional to 167,105.72, 250,654.80 and 40,746.62

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Solution

The fourth proportional to 167,105.72, 250,654.80 and 40,746.62 is: 61,119.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,105.72 : 250,654.80 = 40,746.62 : x
  2. Step 2: Convert to fraction form
    167,105.72/250,654.80 = 40,746.62/x
  3. Step 3: Cross multiply
    167,105.72x = 250,654.80 × 40,746.62
  4. Step 4: Simplify right side
    167,105.72x = 10,213,335,886.78
  5. Step 5: Solve for x
    x = 10,213,335,886.78/167,105.72
  6. Step 6: Final answer
    x = 61,119.01

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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.