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Finding the Fourth Proportional to 144,682.84, 217,032.45 and 49,917.39

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Solution

The fourth proportional to 144,682.84, 217,032.45 and 49,917.39 is: 74,878.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,682.84 : 217,032.45 = 49,917.39 : x
  2. Step 2: Convert to fraction form
    144,682.84/217,032.45 = 49,917.39/x
  3. Step 3: Cross multiply
    144,682.84x = 217,032.45 × 49,917.39
  4. Step 4: Simplify right side
    144,682.84x = 10,833,693,449.31
  5. Step 5: Solve for x
    x = 10,833,693,449.31/144,682.84
  6. Step 6: Final answer
    x = 74,878.91

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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.