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Finding the Fourth Proportional to 221,352.93, 332,099.46 and 79,195.10

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Solution

The fourth proportional to 221,352.93, 332,099.46 and 79,195.10 is: 118,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,352.93 : 332,099.46 = 79,195.10 : x
  2. Step 2: Convert to fraction form
    221,352.93/332,099.46 = 79,195.10/x
  3. Step 3: Cross multiply
    221,352.93x = 332,099.46 × 79,195.10
  4. Step 4: Simplify right side
    221,352.93x = 26,300,648,284.15
  5. Step 5: Solve for x
    x = 26,300,648,284.15/221,352.93
  6. Step 6: Final answer
    x = 118,817.71

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1.5x scale

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.