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Finding the Fourth Proportional to 171,273.72, 256,935.24 and 52,955.40

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Solution

The fourth proportional to 171,273.72, 256,935.24 and 52,955.40 is: 79,440.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,273.72 : 256,935.24 = 52,955.40 : x
  2. Step 2: Convert to fraction form
    171,273.72/256,935.24 = 52,955.40/x
  3. Step 3: Cross multiply
    171,273.72x = 256,935.24 × 52,955.40
  4. Step 4: Simplify right side
    171,273.72x = 13,606,108,408.30
  5. Step 5: Solve for x
    x = 13,606,108,408.30/171,273.72
  6. Step 6: Final answer
    x = 79,440.72

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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.