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Finding the Fourth Proportional to 283,777.49, 425,653.92 and 70,540.88

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Solution

The fourth proportional to 283,777.49, 425,653.92 and 70,540.88 is: 105,808.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,777.49 : 425,653.92 = 70,540.88 : x
  2. Step 2: Convert to fraction form
    283,777.49/425,653.92 = 70,540.88/x
  3. Step 3: Cross multiply
    283,777.49x = 425,653.92 × 70,540.88
  4. Step 4: Simplify right side
    283,777.49x = 30,026,002,092.25
  5. Step 5: Solve for x
    x = 30,026,002,092.25/283,777.49
  6. Step 6: Final answer
    x = 105,808.26

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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.