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Finding the Fourth Proportional to 266,781.95, 400,011.64 and 104,482.33

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Solution

The fourth proportional to 266,781.95, 400,011.64 and 104,482.33 is: 156,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,781.95 : 400,011.64 = 104,482.33 : x
  2. Step 2: Convert to fraction form
    266,781.95/400,011.64 = 104,482.33/x
  3. Step 3: Cross multiply
    266,781.95x = 400,011.64 × 104,482.33
  4. Step 4: Simplify right side
    266,781.95x = 41,794,148,331.98
  5. Step 5: Solve for x
    x = 41,794,148,331.98/266,781.95
  6. Step 6: Final answer
    x = 156,660.33

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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.