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Finding the Fourth Proportional to 283,879.69, 425,746.88 and 84,153.37

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Solution

The fourth proportional to 283,879.69, 425,746.88 and 84,153.37 is: 126,208.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,879.69 : 425,746.88 = 84,153.37 : x
  2. Step 2: Convert to fraction form
    283,879.69/425,746.88 = 84,153.37/x
  3. Step 3: Cross multiply
    283,879.69x = 425,746.88 × 84,153.37
  4. Step 4: Simplify right side
    283,879.69x = 35,828,034,298.22
  5. Step 5: Solve for x
    x = 35,828,034,298.22/283,879.69
  6. Step 6: Final answer
    x = 126,208.52

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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.