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Finding the Fourth Proportional to 145,166.67, 217,781.10 and 50,399.82

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Solution

The fourth proportional to 145,166.67, 217,781.10 and 50,399.82 is: 75,610.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,166.67 : 217,781.10 = 50,399.82 : x
  2. Step 2: Convert to fraction form
    145,166.67/217,781.10 = 50,399.82/x
  3. Step 3: Cross multiply
    145,166.67x = 217,781.10 × 50,399.82
  4. Step 4: Simplify right side
    145,166.67x = 10,976,128,239.40
  5. Step 5: Solve for x
    x = 10,976,128,239.40/145,166.67
  6. Step 6: Final answer
    x = 75,610.53

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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.