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Finding the Fourth Proportional to 103,205.40, 154,659.87 and 44,025.18

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Solution

The fourth proportional to 103,205.40, 154,659.87 and 44,025.18 is: 65,974.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,205.40 : 154,659.87 = 44,025.18 : x
  2. Step 2: Convert to fraction form
    103,205.40/154,659.87 = 44,025.18/x
  3. Step 3: Cross multiply
    103,205.40x = 154,659.87 × 44,025.18
  4. Step 4: Simplify right side
    103,205.40x = 6,808,928,615.53
  5. Step 5: Solve for x
    x = 6,808,928,615.53/103,205.40
  6. Step 6: Final answer
    x = 65,974.54

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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.