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Finding the Fourth Proportional to 158,969.72, 238,232.82 and 119,480.60

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Solution

The fourth proportional to 158,969.72, 238,232.82 and 119,480.60 is: 179,054.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,969.72 : 238,232.82 = 119,480.60 : x
  2. Step 2: Convert to fraction form
    158,969.72/238,232.82 = 119,480.60/x
  3. Step 3: Cross multiply
    158,969.72x = 238,232.82 × 119,480.60
  4. Step 4: Simplify right side
    158,969.72x = 28,464,200,273.29
  5. Step 5: Solve for x
    x = 28,464,200,273.29/158,969.72
  6. Step 6: Final answer
    x = 179,054.23

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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.