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Finding the Fourth Proportional to 283,753.80, 425,436.30 and 134,065.80

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Solution

The fourth proportional to 283,753.80, 425,436.30 and 134,065.80 is: 201,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,753.80 : 425,436.30 = 134,065.80 : x
  2. Step 2: Convert to fraction form
    283,753.80/425,436.30 = 134,065.80/x
  3. Step 3: Cross multiply
    283,753.80x = 425,436.30 × 134,065.80
  4. Step 4: Simplify right side
    283,753.80x = 57,036,457,908.54
  5. Step 5: Solve for x
    x = 57,036,457,908.54/283,753.80
  6. Step 6: Final answer
    x = 201,006.85

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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.