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Finding the Fourth Proportional to 372,912.48, 559,368.41 and 92,429.73

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Solution

The fourth proportional to 372,912.48, 559,368.41 and 92,429.73 is: 138,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,912.48 : 559,368.41 = 92,429.73 : x
  2. Step 2: Convert to fraction form
    372,912.48/559,368.41 = 92,429.73/x
  3. Step 3: Cross multiply
    372,912.48x = 559,368.41 × 92,429.73
  4. Step 4: Simplify right side
    372,912.48x = 51,702,270,644.68
  5. Step 5: Solve for x
    x = 51,702,270,644.68/372,912.48
  6. Step 6: Final answer
    x = 138,644.52

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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.