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Finding the Fourth Proportional to 265,494.67, 398,002.88 and 96,896.70

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Solution

The fourth proportional to 265,494.67, 398,002.88 and 96,896.70 is: 145,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,494.67 : 398,002.88 = 96,896.70 : x
  2. Step 2: Convert to fraction form
    265,494.67/398,002.88 = 96,896.70/x
  3. Step 3: Cross multiply
    265,494.67x = 398,002.88 × 96,896.70
  4. Step 4: Simplify right side
    265,494.67x = 38,565,165,662.50
  5. Step 5: Solve for x
    x = 38,565,165,662.50/265,494.67
  6. Step 6: Final answer
    x = 145,257.78

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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.