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Finding the Fourth Proportional to 158,785.73, 238,225.38 and 63,967.12

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Solution

The fourth proportional to 158,785.73, 238,225.38 and 63,967.12 is: 95,969.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,785.73 : 238,225.38 = 63,967.12 : x
  2. Step 2: Convert to fraction form
    158,785.73/238,225.38 = 63,967.12/x
  3. Step 3: Cross multiply
    158,785.73x = 238,225.38 × 63,967.12
  4. Step 4: Simplify right side
    158,785.73x = 15,238,591,469.51
  5. Step 5: Solve for x
    x = 15,238,591,469.51/158,785.73
  6. Step 6: Final answer
    x = 95,969.53

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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.