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Finding the Fourth Proportional to 238,431.42, 357,647.30 and 60,938.61

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Solution

The fourth proportional to 238,431.42, 357,647.30 and 60,938.61 is: 91,407.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,431.42 : 357,647.30 = 60,938.61 : x
  2. Step 2: Convert to fraction form
    238,431.42/357,647.30 = 60,938.61/x
  3. Step 3: Cross multiply
    238,431.42x = 357,647.30 × 60,938.61
  4. Step 4: Simplify right side
    238,431.42x = 21,794,529,027.56
  5. Step 5: Solve for x
    x = 21,794,529,027.56/238,431.42
  6. Step 6: Final answer
    x = 91,407.96

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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.