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Finding the Fourth Proportional to 283,716.77, 425,637.45 and 84,052.79

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Solution

The fourth proportional to 283,716.77, 425,637.45 and 84,052.79 is: 126,097.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,716.77 : 425,637.45 = 84,052.79 : x
  2. Step 2: Convert to fraction form
    283,716.77/425,637.45 = 84,052.79/x
  3. Step 3: Cross multiply
    283,716.77x = 425,637.45 × 84,052.79
  4. Step 4: Simplify right side
    283,716.77x = 35,776,015,200.99
  5. Step 5: Solve for x
    x = 35,776,015,200.99/283,716.77
  6. Step 6: Final answer
    x = 126,097.64

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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.