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Finding the Fourth Proportional to 83,611.63, 125,401.67 and 23,639.63

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Solution

The fourth proportional to 83,611.63, 125,401.67 and 23,639.63 is: 35,454.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,611.63 : 125,401.67 = 23,639.63 : x
  2. Step 2: Convert to fraction form
    83,611.63/125,401.67 = 23,639.63/x
  3. Step 3: Cross multiply
    83,611.63x = 125,401.67 × 23,639.63
  4. Step 4: Simplify right side
    83,611.63x = 2,964,448,334.98
  5. Step 5: Solve for x
    x = 2,964,448,334.98/83,611.63
  6. Step 6: Final answer
    x = 35,454.98

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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.