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Finding the Fourth Proportional to 159,173.72, 238,769.09 and 40,846.08

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Solution

The fourth proportional to 159,173.72, 238,769.09 and 40,846.08 is: 61,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,173.72 : 238,769.09 = 40,846.08 : x
  2. Step 2: Convert to fraction form
    159,173.72/238,769.09 = 40,846.08/x
  3. Step 3: Cross multiply
    159,173.72x = 238,769.09 × 40,846.08
  4. Step 4: Simplify right side
    159,173.72x = 9,752,781,351.67
  5. Step 5: Solve for x
    x = 9,752,781,351.67/159,173.72
  6. Step 6: Final answer
    x = 61,271.30

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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.