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Finding the Fourth Proportional to 283,605.36, 425,375.04 and 73,226.72

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Solution

The fourth proportional to 283,605.36, 425,375.04 and 73,226.72 is: 109,831.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,605.36 : 425,375.04 = 73,226.72 : x
  2. Step 2: Convert to fraction form
    283,605.36/425,375.04 = 73,226.72/x
  3. Step 3: Cross multiply
    283,605.36x = 425,375.04 × 73,226.72
  4. Step 4: Simplify right side
    283,605.36x = 31,148,818,949.07
  5. Step 5: Solve for x
    x = 31,148,818,949.07/283,605.36
  6. Step 6: Final answer
    x = 109,831.56

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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.