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Finding the Fourth Proportional to 237,466.52, 327,704.28 and 128,571.98

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Solution

The fourth proportional to 237,466.52, 327,704.28 and 128,571.98 is: 177,429.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,466.52 : 327,704.28 = 128,571.98 : x
  2. Step 2: Convert to fraction form
    237,466.52/327,704.28 = 128,571.98/x
  3. Step 3: Cross multiply
    237,466.52x = 327,704.28 × 128,571.98
  4. Step 4: Simplify right side
    237,466.52x = 42,133,588,134.07
  5. Step 5: Solve for x
    x = 42,133,588,134.07/237,466.52
  6. Step 6: Final answer
    x = 177,429.59

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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.