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Finding the Fourth Proportional to 195,636.87, 293,480.82 and 55,396.71

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Solution

The fourth proportional to 195,636.87, 293,480.82 and 55,396.71 is: 83,102.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,636.87 : 293,480.82 = 55,396.71 : x
  2. Step 2: Convert to fraction form
    195,636.87/293,480.82 = 55,396.71/x
  3. Step 3: Cross multiply
    195,636.87x = 293,480.82 × 55,396.71
  4. Step 4: Simplify right side
    195,636.87x = 16,257,871,876.10
  5. Step 5: Solve for x
    x = 16,257,871,876.10/195,636.87
  6. Step 6: Final answer
    x = 83,102.29

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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.