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Finding the Fourth Proportional to 158,976, 238,152.33 and 92,276.28

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Solution

The fourth proportional to 158,976, 238,152.33 and 92,276.28 is: 138,233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,976 : 238,152.33 = 92,276.28 : x
  2. Step 2: Convert to fraction form
    158,976/238,152.33 = 92,276.28/x
  3. Step 3: Cross multiply
    158,976x = 238,152.33 × 92,276.28
  4. Step 4: Simplify right side
    158,976x = 21,975,811,085.73
  5. Step 5: Solve for x
    x = 21,975,811,085.73/158,976
  6. Step 6: Final answer
    x = 138,233.51

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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.