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Finding the Fourth Proportional to 238,753.85, 358,091.85 and 70,234.77

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Solution

The fourth proportional to 238,753.85, 358,091.85 and 70,234.77 is: 105,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,753.85 : 358,091.85 = 70,234.77 : x
  2. Step 2: Convert to fraction form
    238,753.85/358,091.85 = 70,234.77/x
  3. Step 3: Cross multiply
    238,753.85x = 358,091.85 × 70,234.77
  4. Step 4: Simplify right side
    238,753.85x = 25,150,498,723.62
  5. Step 5: Solve for x
    x = 25,150,498,723.62/238,753.85
  6. Step 6: Final answer
    x = 105,340.70

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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.