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Finding the Fourth Proportional to 144,734.94, 217,108.49 and 39,553.61

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Solution

The fourth proportional to 144,734.94, 217,108.49 and 39,553.61 is: 59,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,734.94 : 217,108.49 = 39,553.61 : x
  2. Step 2: Convert to fraction form
    144,734.94/217,108.49 = 39,553.61/x
  3. Step 3: Cross multiply
    144,734.94x = 217,108.49 × 39,553.61
  4. Step 4: Simplify right side
    144,734.94x = 8,587,423,257.84
  5. Step 5: Solve for x
    x = 8,587,423,257.84/144,734.94
  6. Step 6: Final answer
    x = 59,332.07

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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.