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Finding the Fourth Proportional to 283,701.74, 425,551.83 and 84,037.69

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Solution

The fourth proportional to 283,701.74, 425,551.83 and 84,037.69 is: 126,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,701.74 : 425,551.83 = 84,037.69 : x
  2. Step 2: Convert to fraction form
    283,701.74/425,551.83 = 84,037.69/x
  3. Step 3: Cross multiply
    283,701.74x = 425,551.83 × 84,037.69
  4. Step 4: Simplify right side
    283,701.74x = 35,762,392,768.47
  5. Step 5: Solve for x
    x = 35,762,392,768.47/283,701.74
  6. Step 6: Final answer
    x = 126,056.30

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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.