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Finding the Fourth Proportional to 121,754.20, 182,696.70 and 59,424.70

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Solution

The fourth proportional to 121,754.20, 182,696.70 and 59,424.70 is: 89,168.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,754.20 : 182,696.70 = 59,424.70 : x
  2. Step 2: Convert to fraction form
    121,754.20/182,696.70 = 59,424.70/x
  3. Step 3: Cross multiply
    121,754.20x = 182,696.70 × 59,424.70
  4. Step 4: Simplify right side
    121,754.20x = 10,856,696,588.49
  5. Step 5: Solve for x
    x = 10,856,696,588.49/121,754.20
  6. Step 6: Final answer
    x = 89,168.97

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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.