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Finding the Fourth Proportional to 219,324.86, 329,018.62 and 67,534.76

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Solution

The fourth proportional to 219,324.86, 329,018.62 and 67,534.76 is: 101,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,324.86 : 329,018.62 = 67,534.76 : x
  2. Step 2: Convert to fraction form
    219,324.86/329,018.62 = 67,534.76/x
  3. Step 3: Cross multiply
    219,324.86x = 329,018.62 × 67,534.76
  4. Step 4: Simplify right side
    219,324.86x = 22,220,191,723.30
  5. Step 5: Solve for x
    x = 22,220,191,723.30/219,324.86
  6. Step 6: Final answer
    x = 101,311.78

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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.