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Finding the Fourth Proportional to 214,571.88, 296,040.70 and 123,915.88

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Solution

The fourth proportional to 214,571.88, 296,040.70 and 123,915.88 is: 170,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,571.88 : 296,040.70 = 123,915.88 : x
  2. Step 2: Convert to fraction form
    214,571.88/296,040.70 = 123,915.88/x
  3. Step 3: Cross multiply
    214,571.88x = 296,040.70 × 123,915.88
  4. Step 4: Simplify right side
    214,571.88x = 36,684,143,856.32
  5. Step 5: Solve for x
    x = 36,684,143,856.32/214,571.88
  6. Step 6: Final answer
    x = 170,964.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.