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Finding the Fourth Proportional to 251,434.56, 377,174.64 and 82,955.37

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Solution

The fourth proportional to 251,434.56, 377,174.64 and 82,955.37 is: 124,440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,434.56 : 377,174.64 = 82,955.37 : x
  2. Step 2: Convert to fraction form
    251,434.56/377,174.64 = 82,955.37/x
  3. Step 3: Cross multiply
    251,434.56x = 377,174.64 × 82,955.37
  4. Step 4: Simplify right side
    251,434.56x = 31,288,663,541.30
  5. Step 5: Solve for x
    x = 31,288,663,541.30/251,434.56
  6. Step 6: Final answer
    x = 124,440.58

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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.