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Finding the Fourth Proportional to 238,163.95, 356,968.90 and 88,288.84

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Solution

The fourth proportional to 238,163.95, 356,968.90 and 88,288.84 is: 132,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,163.95 : 356,968.90 = 88,288.84 : x
  2. Step 2: Convert to fraction form
    238,163.95/356,968.90 = 88,288.84/x
  3. Step 3: Cross multiply
    238,163.95x = 356,968.90 × 88,288.84
  4. Step 4: Simplify right side
    238,163.95x = 31,516,367,870.79
  5. Step 5: Solve for x
    x = 31,516,367,870.79/238,163.95
  6. Step 6: Final answer
    x = 132,330.56

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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.