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Finding the Fourth Proportional to 266,863.26, 368,202.15 and 159,385.98

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Solution

The fourth proportional to 266,863.26, 368,202.15 and 159,385.98 is: 219,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,863.26 : 368,202.15 = 159,385.98 : x
  2. Step 2: Convert to fraction form
    266,863.26/368,202.15 = 159,385.98/x
  3. Step 3: Cross multiply
    266,863.26x = 368,202.15 × 159,385.98
  4. Step 4: Simplify right side
    266,863.26x = 58,686,260,515.86
  5. Step 5: Solve for x
    x = 58,686,260,515.86/266,863.26
  6. Step 6: Final answer
    x = 219,911.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.