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Finding the Fourth Proportional to 161,148.70, 222,389.17 and 88,551

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Solution

The fourth proportional to 161,148.70, 222,389.17 and 88,551 is: 122,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,148.70 : 222,389.17 = 88,551 : x
  2. Step 2: Convert to fraction form
    161,148.70/222,389.17 = 88,551/x
  3. Step 3: Cross multiply
    161,148.70x = 222,389.17 × 88,551
  4. Step 4: Simplify right side
    161,148.70x = 19,692,783,392.67
  5. Step 5: Solve for x
    x = 19,692,783,392.67/161,148.70
  6. Step 6: Final answer
    x = 122,202.56

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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.