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Finding the Fourth Proportional to 103,103.46, 154,611.45 and 36,560.34

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Solution

The fourth proportional to 103,103.46, 154,611.45 and 36,560.34 is: 54,825.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,103.46 : 154,611.45 = 36,560.34 : x
  2. Step 2: Convert to fraction form
    103,103.46/154,611.45 = 36,560.34/x
  3. Step 3: Cross multiply
    103,103.46x = 154,611.45 × 36,560.34
  4. Step 4: Simplify right side
    103,103.46x = 5,652,647,179.89
  5. Step 5: Solve for x
    x = 5,652,647,179.89/103,103.46
  6. Step 6: Final answer
    x = 54,825.00

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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.