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Finding the Fourth Proportional to 158,967.99, 238,493.90 and 92,344.07

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Solution

The fourth proportional to 158,967.99, 238,493.90 and 92,344.07 is: 138,540.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,967.99 : 238,493.90 = 92,344.07 : x
  2. Step 2: Convert to fraction form
    158,967.99/238,493.90 = 92,344.07/x
  3. Step 3: Cross multiply
    158,967.99x = 238,493.90 × 92,344.07
  4. Step 4: Simplify right side
    158,967.99x = 22,023,498,223.27
  5. Step 5: Solve for x
    x = 22,023,498,223.27/158,967.99
  6. Step 6: Final answer
    x = 138,540.46

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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.