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Finding the Fourth Proportional to 122,270.72, 183,576 and 63,150.08

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Solution

The fourth proportional to 122,270.72, 183,576 and 63,150.08 is: 94,812.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,270.72 : 183,576 = 63,150.08 : x
  2. Step 2: Convert to fraction form
    122,270.72/183,576 = 63,150.08/x
  3. Step 3: Cross multiply
    122,270.72x = 183,576 × 63,150.08
  4. Step 4: Simplify right side
    122,270.72x = 11,592,839,086.08
  5. Step 5: Solve for x
    x = 11,592,839,086.08/122,270.72
  6. Step 6: Final answer
    x = 94,812.88

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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.