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Finding the Fourth Proportional to 73,266, 109,899.12 and 26,507.94

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Solution

The fourth proportional to 73,266, 109,899.12 and 26,507.94 is: 39,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,266 : 109,899.12 = 26,507.94 : x
  2. Step 2: Convert to fraction form
    73,266/109,899.12 = 26,507.94/x
  3. Step 3: Cross multiply
    73,266x = 109,899.12 × 26,507.94
  4. Step 4: Simplify right side
    73,266x = 2,913,199,279.01
  5. Step 5: Solve for x
    x = 2,913,199,279.01/73,266
  6. Step 6: Final answer
    x = 39,761.95

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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.