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Finding the Fourth Proportional to 79,781.84, 119,690.26 and 23,626.32

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Solution

The fourth proportional to 79,781.84, 119,690.26 and 23,626.32 is: 35,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,781.84 : 119,690.26 = 23,626.32 : x
  2. Step 2: Convert to fraction form
    79,781.84/119,690.26 = 23,626.32/x
  3. Step 3: Cross multiply
    79,781.84x = 119,690.26 × 23,626.32
  4. Step 4: Simplify right side
    79,781.84x = 2,827,840,383.64
  5. Step 5: Solve for x
    x = 2,827,840,383.64/79,781.84
  6. Step 6: Final answer
    x = 35,444.66

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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.