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Finding the Fourth Proportional to 283,756.96, 425,697.71 and 84,092.97

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Solution

The fourth proportional to 283,756.96, 425,697.71 and 84,092.97 is: 126,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,756.96 : 425,697.71 = 84,092.97 : x
  2. Step 2: Convert to fraction form
    283,756.96/425,697.71 = 84,092.97/x
  3. Step 3: Cross multiply
    283,756.96x = 425,697.71 × 84,092.97
  4. Step 4: Simplify right side
    283,756.96x = 35,798,184,756.10
  5. Step 5: Solve for x
    x = 35,798,184,756.10/283,756.96
  6. Step 6: Final answer
    x = 126,157.91

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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.