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Finding the Fourth Proportional to 221,794.20, 332,108.10 and 162,307.80

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Solution

The fourth proportional to 221,794.20, 332,108.10 and 162,307.80 is: 243,034.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,794.20 : 332,108.10 = 162,307.80 : x
  2. Step 2: Convert to fraction form
    221,794.20/332,108.10 = 162,307.80/x
  3. Step 3: Cross multiply
    221,794.20x = 332,108.10 × 162,307.80
  4. Step 4: Simplify right side
    221,794.20x = 53,903,735,073.18
  5. Step 5: Solve for x
    x = 53,903,735,073.18/221,794.20
  6. Step 6: Final answer
    x = 243,034.92

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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.