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Finding the Fourth Proportional to 283,607.22, 425,474.07 and 123,709.17

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Solution

The fourth proportional to 283,607.22, 425,474.07 and 123,709.17 is: 185,591.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,607.22 : 425,474.07 = 123,709.17 : x
  2. Step 2: Convert to fraction form
    283,607.22/425,474.07 = 123,709.17/x
  3. Step 3: Cross multiply
    283,607.22x = 425,474.07 × 123,709.17
  4. Step 4: Simplify right side
    283,607.22x = 52,635,045,187.84
  5. Step 5: Solve for x
    x = 52,635,045,187.84/283,607.22
  6. Step 6: Final answer
    x = 185,591.34

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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.