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Finding the Fourth Proportional to 145,167.67, 217,782.60 and 50,400.82

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Solution

The fourth proportional to 145,167.67, 217,782.60 and 50,400.82 is: 75,612.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,167.67 : 217,782.60 = 50,400.82 : x
  2. Step 2: Convert to fraction form
    145,167.67/217,782.60 = 50,400.82/x
  3. Step 3: Cross multiply
    145,167.67x = 217,782.60 × 50,400.82
  4. Step 4: Simplify right side
    145,167.67x = 10,976,421,621.73
  5. Step 5: Solve for x
    x = 10,976,421,621.73/145,167.67
  6. Step 6: Final answer
    x = 75,612.03

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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.