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Finding the Fourth Proportional to 98,227.30, 135,569.93 and 57,950.92

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Solution

The fourth proportional to 98,227.30, 135,569.93 and 57,950.92 is: 79,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,227.30 : 135,569.93 = 57,950.92 : x
  2. Step 2: Convert to fraction form
    98,227.30/135,569.93 = 57,950.92/x
  3. Step 3: Cross multiply
    98,227.30x = 135,569.93 × 57,950.92
  4. Step 4: Simplify right side
    98,227.30x = 7,856,402,167.84
  5. Step 5: Solve for x
    x = 7,856,402,167.84/98,227.30
  6. Step 6: Final answer
    x = 79,981.86

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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.