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Finding the Fourth Proportional to 238,158.83, 357,238.25 and 80,498.00

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Solution

The fourth proportional to 238,158.83, 357,238.25 and 80,498.00 is: 120,747.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,158.83 : 357,238.25 = 80,498.00 : x
  2. Step 2: Convert to fraction form
    238,158.83/357,238.25 = 80,498.00/x
  3. Step 3: Cross multiply
    238,158.83x = 357,238.25 × 80,498.00
  4. Step 4: Simplify right side
    238,158.83x = 28,756,965,440.97
  5. Step 5: Solve for x
    x = 28,756,965,440.97/238,158.83
  6. Step 6: Final answer
    x = 120,747.00

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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.