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Finding the Fourth Proportional to 238,840.54, 357,989.21 and 124,812.54

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Solution

The fourth proportional to 238,840.54, 357,989.21 and 124,812.54 is: 187,076.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,840.54 : 357,989.21 = 124,812.54 : x
  2. Step 2: Convert to fraction form
    238,840.54/357,989.21 = 124,812.54/x
  3. Step 3: Cross multiply
    238,840.54x = 357,989.21 × 124,812.54
  4. Step 4: Simplify right side
    238,840.54x = 44,681,540,178.68
  5. Step 5: Solve for x
    x = 44,681,540,178.68/238,840.54
  6. Step 6: Final answer
    x = 187,076.87

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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.