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Finding the Fourth Proportional to 238,304.58, 357,508.31 and 80,529.54

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Solution

The fourth proportional to 238,304.58, 357,508.31 and 80,529.54 is: 120,811.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,304.58 : 357,508.31 = 80,529.54 : x
  2. Step 2: Convert to fraction form
    238,304.58/357,508.31 = 80,529.54/x
  3. Step 3: Cross multiply
    238,304.58x = 357,508.31 × 80,529.54
  4. Step 4: Simplify right side
    238,304.58x = 28,789,979,347.83
  5. Step 5: Solve for x
    x = 28,789,979,347.83/238,304.58
  6. Step 6: Final answer
    x = 120,811.69

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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.