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Finding the Fourth Proportional to 234,871.88, 352,306.87 and 85,077.11

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Solution

The fourth proportional to 234,871.88, 352,306.87 and 85,077.11 is: 127,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,871.88 : 352,306.87 = 85,077.11 : x
  2. Step 2: Convert to fraction form
    234,871.88/352,306.87 = 85,077.11/x
  3. Step 3: Cross multiply
    234,871.88x = 352,306.87 × 85,077.11
  4. Step 4: Simplify right side
    234,871.88x = 29,973,250,009.96
  5. Step 5: Solve for x
    x = 29,973,250,009.96/234,871.88
  6. Step 6: Final answer
    x = 127,615.32

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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.