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Finding the Fourth Proportional to 272,353.92, 375,791.58 and 164,931.72

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Solution

The fourth proportional to 272,353.92, 375,791.58 and 164,931.72 is: 227,571.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,353.92 : 375,791.58 = 164,931.72 : x
  2. Step 2: Convert to fraction form
    272,353.92/375,791.58 = 164,931.72/x
  3. Step 3: Cross multiply
    272,353.92x = 375,791.58 × 164,931.72
  4. Step 4: Simplify right side
    272,353.92x = 61,979,951,650.92
  5. Step 5: Solve for x
    x = 61,979,951,650.92/272,353.92
  6. Step 6: Final answer
    x = 227,571.36

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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.