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Finding the Fourth Proportional to 221,775.90, 332,481.60 and 95,513.10

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Solution

The fourth proportional to 221,775.90, 332,481.60 and 95,513.10 is: 143,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,775.90 : 332,481.60 = 95,513.10 : x
  2. Step 2: Convert to fraction form
    221,775.90/332,481.60 = 95,513.10/x
  3. Step 3: Cross multiply
    221,775.90x = 332,481.60 × 95,513.10
  4. Step 4: Simplify right side
    221,775.90x = 31,756,348,308.96
  5. Step 5: Solve for x
    x = 31,756,348,308.96/221,775.90
  6. Step 6: Final answer
    x = 143,191.16

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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.