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Finding the Fourth Proportional to 238,163.70, 356,968.52 and 88,288.59

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Solution

The fourth proportional to 238,163.70, 356,968.52 and 88,288.59 is: 132,330.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,163.70 : 356,968.52 = 88,288.59 : x
  2. Step 2: Convert to fraction form
    238,163.70/356,968.52 = 88,288.59/x
  3. Step 3: Cross multiply
    238,163.70x = 356,968.52 × 88,288.59
  4. Step 4: Simplify right side
    238,163.70x = 31,516,245,741.07
  5. Step 5: Solve for x
    x = 31,516,245,741.07/238,163.70
  6. Step 6: Final answer
    x = 132,330.18

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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.