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Finding the Fourth Proportional to 238,389.21, 357,583.47 and 60,896.28

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Solution

The fourth proportional to 238,389.21, 357,583.47 and 60,896.28 is: 91,344.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,389.21 : 357,583.47 = 60,896.28 : x
  2. Step 2: Convert to fraction form
    238,389.21/357,583.47 = 60,896.28/x
  3. Step 3: Cross multiply
    238,389.21x = 357,583.47 × 60,896.28
  4. Step 4: Simplify right side
    238,389.21x = 21,775,503,112.49
  5. Step 5: Solve for x
    x = 21,775,503,112.49/238,389.21
  6. Step 6: Final answer
    x = 91,344.33

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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.