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Finding the Fourth Proportional to 159,351.58, 238,867.50 and 74,022.34

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Solution

The fourth proportional to 159,351.58, 238,867.50 and 74,022.34 is: 110,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,351.58 : 238,867.50 = 74,022.34 : x
  2. Step 2: Convert to fraction form
    159,351.58/238,867.50 = 74,022.34/x
  3. Step 3: Cross multiply
    159,351.58x = 238,867.50 × 74,022.34
  4. Step 4: Simplify right side
    159,351.58x = 17,681,531,299.95
  5. Step 5: Solve for x
    x = 17,681,531,299.95/159,351.58
  6. Step 6: Final answer
    x = 110,959.25

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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.