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Finding the Fourth Proportional to 268,778.73, 403,072.04 and 88,830.86

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Solution

The fourth proportional to 268,778.73, 403,072.04 and 88,830.86 is: 133,214.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,778.73 : 403,072.04 = 88,830.86 : x
  2. Step 2: Convert to fraction form
    268,778.73/403,072.04 = 88,830.86/x
  3. Step 3: Cross multiply
    268,778.73x = 403,072.04 × 88,830.86
  4. Step 4: Simplify right side
    268,778.73x = 35,805,235,955.15
  5. Step 5: Solve for x
    x = 35,805,235,955.15/268,778.73
  6. Step 6: Final answer
    x = 133,214.54

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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.