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Finding the Fourth Proportional to 283,694.31, 425,603.73 and 84,030.32

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Solution

The fourth proportional to 283,694.31, 425,603.73 and 84,030.32 is: 126,063.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,694.31 : 425,603.73 = 84,030.32 : x
  2. Step 2: Convert to fraction form
    283,694.31/425,603.73 = 84,030.32/x
  3. Step 3: Cross multiply
    283,694.31x = 425,603.73 × 84,030.32
  4. Step 4: Simplify right side
    283,694.31x = 35,763,615,497.08
  5. Step 5: Solve for x
    x = 35,763,615,497.08/283,694.31
  6. Step 6: Final answer
    x = 126,063.92

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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.