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Finding the Fourth Proportional to 283,699.74, 425,548.83 and 84,035.69

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Solution

The fourth proportional to 283,699.74, 425,548.83 and 84,035.69 is: 126,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,699.74 : 425,548.83 = 84,035.69 : x
  2. Step 2: Convert to fraction form
    283,699.74/425,548.83 = 84,035.69/x
  3. Step 3: Cross multiply
    283,699.74x = 425,548.83 × 84,035.69
  4. Step 4: Simplify right side
    283,699.74x = 35,761,290,621.61
  5. Step 5: Solve for x
    x = 35,761,290,621.61/283,699.74
  6. Step 6: Final answer
    x = 126,053.31

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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.