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Finding the Fourth Proportional to 161,270.53, 222,559.04 and 88,678.95

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Solution

The fourth proportional to 161,270.53, 222,559.04 and 88,678.95 is: 122,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,270.53 : 222,559.04 = 88,678.95 : x
  2. Step 2: Convert to fraction form
    161,270.53/222,559.04 = 88,678.95/x
  3. Step 3: Cross multiply
    161,270.53x = 222,559.04 × 88,678.95
  4. Step 4: Simplify right side
    161,270.53x = 19,736,302,201.91
  5. Step 5: Solve for x
    x = 19,736,302,201.91/161,270.53
  6. Step 6: Final answer
    x = 122,380.09

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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.