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Finding the Fourth Proportional to 221,697.26, 332,595.10 and 63,913.40

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Solution

The fourth proportional to 221,697.26, 332,595.10 and 63,913.40 is: 95,884.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,697.26 : 332,595.10 = 63,913.40 : x
  2. Step 2: Convert to fraction form
    221,697.26/332,595.10 = 63,913.40/x
  3. Step 3: Cross multiply
    221,697.26x = 332,595.10 × 63,913.40
  4. Step 4: Simplify right side
    221,697.26x = 21,257,283,664.34
  5. Step 5: Solve for x
    x = 21,257,283,664.34/221,697.26
  6. Step 6: Final answer
    x = 95,884.29

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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.