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Finding the Fourth Proportional to 158,867.11, 238,401.11 and 88,792.39

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Solution

The fourth proportional to 158,867.11, 238,401.11 and 88,792.39 is: 133,244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,867.11 : 238,401.11 = 88,792.39 : x
  2. Step 2: Convert to fraction form
    158,867.11/238,401.11 = 88,792.39/x
  3. Step 3: Cross multiply
    158,867.11x = 238,401.11 × 88,792.39
  4. Step 4: Simplify right side
    158,867.11x = 21,168,204,335.55
  5. Step 5: Solve for x
    x = 21,168,204,335.55/158,867.11
  6. Step 6: Final answer
    x = 133,244.72

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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.