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Finding the Fourth Proportional to 239,842.01, 359,730.25 and 71,388.34

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Solution

The fourth proportional to 239,842.01, 359,730.25 and 71,388.34 is: 107,072.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,842.01 : 359,730.25 = 71,388.34 : x
  2. Step 2: Convert to fraction form
    239,842.01/359,730.25 = 71,388.34/x
  3. Step 3: Cross multiply
    239,842.01x = 359,730.25 × 71,388.34
  4. Step 4: Simplify right side
    239,842.01x = 25,680,544,317.49
  5. Step 5: Solve for x
    x = 25,680,544,317.49/239,842.01
  6. Step 6: Final answer
    x = 107,072.75

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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.