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Finding the Fourth Proportional to 79,873.40, 119,797.38 and 26,560.94

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Solution

The fourth proportional to 79,873.40, 119,797.38 and 26,560.94 is: 39,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,873.40 : 119,797.38 = 26,560.94 : x
  2. Step 2: Convert to fraction form
    79,873.40/119,797.38 = 26,560.94/x
  3. Step 3: Cross multiply
    79,873.40x = 119,797.38 × 26,560.94
  4. Step 4: Simplify right side
    79,873.40x = 3,181,931,022.34
  5. Step 5: Solve for x
    x = 3,181,931,022.34/79,873.40
  6. Step 6: Final answer
    x = 39,837.18

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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.