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Finding the Fourth Proportional to 87,252.84, 120,415.14 and 49,529.52

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Solution

The fourth proportional to 87,252.84, 120,415.14 and 49,529.52 is: 68,354.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,252.84 : 120,415.14 = 49,529.52 : x
  2. Step 2: Convert to fraction form
    87,252.84/120,415.14 = 49,529.52/x
  3. Step 3: Cross multiply
    87,252.84x = 120,415.14 × 49,529.52
  4. Step 4: Simplify right side
    87,252.84x = 5,964,104,084.93
  5. Step 5: Solve for x
    x = 5,964,104,084.93/87,252.84
  6. Step 6: Final answer
    x = 68,354.27

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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.