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Finding the Fourth Proportional to 151,508.40, 226,825.20 and 92,459.40

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Solution

The fourth proportional to 151,508.40, 226,825.20 and 92,459.40 is: 138,422.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,508.40 : 226,825.20 = 92,459.40 : x
  2. Step 2: Convert to fraction form
    151,508.40/226,825.20 = 92,459.40/x
  3. Step 3: Cross multiply
    151,508.40x = 226,825.20 × 92,459.40
  4. Step 4: Simplify right side
    151,508.40x = 20,972,121,896.88
  5. Step 5: Solve for x
    x = 20,972,121,896.88/151,508.40
  6. Step 6: Final answer
    x = 138,422.17

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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.