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Finding the Fourth Proportional to 161,253.95, 222,533.12 and 88,659.91

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Solution

The fourth proportional to 161,253.95, 222,533.12 and 88,659.91 is: 122,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,253.95 : 222,533.12 = 88,659.91 : x
  2. Step 2: Convert to fraction form
    161,253.95/222,533.12 = 88,659.91/x
  3. Step 3: Cross multiply
    161,253.95x = 222,533.12 × 88,659.91
  4. Step 4: Simplify right side
    161,253.95x = 19,729,765,391.59
  5. Step 5: Solve for x
    x = 19,729,765,391.59/161,253.95
  6. Step 6: Final answer
    x = 122,352.14

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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.