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Finding the Fourth Proportional to 144,860, 217,309.44 and 61,773.44

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Solution

The fourth proportional to 144,860, 217,309.44 and 61,773.44 is: 92,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,860 : 217,309.44 = 61,773.44 : x
  2. Step 2: Convert to fraction form
    144,860/217,309.44 = 61,773.44/x
  3. Step 3: Cross multiply
    144,860x = 217,309.44 × 61,773.44
  4. Step 4: Simplify right side
    144,860x = 13,423,951,653.27
  5. Step 5: Solve for x
    x = 13,423,951,653.27/144,860
  6. Step 6: Final answer
    x = 92,668.45

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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.