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Finding the Fourth Proportional to 239,494.08, 359,242.59 and 71,016.01

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Solution

The fourth proportional to 239,494.08, 359,242.59 and 71,016.01 is: 106,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,494.08 : 359,242.59 = 71,016.01 : x
  2. Step 2: Convert to fraction form
    239,494.08/359,242.59 = 71,016.01/x
  3. Step 3: Cross multiply
    239,494.08x = 359,242.59 × 71,016.01
  4. Step 4: Simplify right side
    239,494.08x = 25,511,974,732.07
  5. Step 5: Solve for x
    x = 25,511,974,732.07/239,494.08
  6. Step 6: Final answer
    x = 106,524.45

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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.