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Finding the Fourth Proportional to 144,806.94, 217,210.61 and 60,520.97

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Solution

The fourth proportional to 144,806.94, 217,210.61 and 60,520.97 is: 90,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,806.94 : 217,210.61 = 60,520.97 : x
  2. Step 2: Convert to fraction form
    144,806.94/217,210.61 = 60,520.97/x
  3. Step 3: Cross multiply
    144,806.94x = 217,210.61 × 60,520.97
  4. Step 4: Simplify right side
    144,806.94x = 13,145,797,505.82
  5. Step 5: Solve for x
    x = 13,145,797,505.82/144,806.94
  6. Step 6: Final answer
    x = 90,781.54

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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.