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Finding the Fourth Proportional to 216,584.84, 298,898.29 and 124,717.77

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Solution

The fourth proportional to 216,584.84, 298,898.29 and 124,717.77 is: 172,116.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,584.84 : 298,898.29 = 124,717.77 : x
  2. Step 2: Convert to fraction form
    216,584.84/298,898.29 = 124,717.77/x
  3. Step 3: Cross multiply
    216,584.84x = 298,898.29 × 124,717.77
  4. Step 4: Simplify right side
    216,584.84x = 37,277,926,067.53
  5. Step 5: Solve for x
    x = 37,277,926,067.53/216,584.84
  6. Step 6: Final answer
    x = 172,116.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.