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Finding the Fourth Proportional to 193,390.62, 290,087.38 and 73,415.24

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Solution

The fourth proportional to 193,390.62, 290,087.38 and 73,415.24 is: 110,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,390.62 : 290,087.38 = 73,415.24 : x
  2. Step 2: Convert to fraction form
    193,390.62/290,087.38 = 73,415.24/x
  3. Step 3: Cross multiply
    193,390.62x = 290,087.38 × 73,415.24
  4. Step 4: Simplify right side
    193,390.62x = 21,296,834,623.67
  5. Step 5: Solve for x
    x = 21,296,834,623.67/193,390.62
  6. Step 6: Final answer
    x = 110,123.41

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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.