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Finding the Fourth Proportional to 158,967, 238,138.83 and 92,267.28

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Solution

The fourth proportional to 158,967, 238,138.83 and 92,267.28 is: 138,220.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,967 : 238,138.83 = 92,267.28 : x
  2. Step 2: Convert to fraction form
    158,967/238,138.83 = 92,267.28/x
  3. Step 3: Cross multiply
    158,967x = 238,138.83 × 92,267.28
  4. Step 4: Simplify right side
    158,967x = 21,972,422,106.48
  5. Step 5: Solve for x
    x = 21,972,422,106.48/158,967
  6. Step 6: Final answer
    x = 138,220.02

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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.