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Finding the Fourth Proportional to 79,406.82, 119,102.85 and 26,816.76

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Solution

The fourth proportional to 79,406.82, 119,102.85 and 26,816.76 is: 40,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,406.82 : 119,102.85 = 26,816.76 : x
  2. Step 2: Convert to fraction form
    79,406.82/119,102.85 = 26,816.76/x
  3. Step 3: Cross multiply
    79,406.82x = 119,102.85 × 26,816.76
  4. Step 4: Simplify right side
    79,406.82x = 3,193,952,543.77
  5. Step 5: Solve for x
    x = 3,193,952,543.77/79,406.82
  6. Step 6: Final answer
    x = 40,222.65

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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.