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Finding the Fourth Proportional to 283,718.39, 425,679.23 and 121,544.42

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Solution

The fourth proportional to 283,718.39, 425,679.23 and 121,544.42 is: 182,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,718.39 : 425,679.23 = 121,544.42 : x
  2. Step 2: Convert to fraction form
    283,718.39/425,679.23 = 121,544.42/x
  3. Step 3: Cross multiply
    283,718.39x = 425,679.23 × 121,544.42
  4. Step 4: Simplify right side
    283,718.39x = 51,738,933,291.86
  5. Step 5: Solve for x
    x = 51,738,933,291.86/283,718.39
  6. Step 6: Final answer
    x = 182,360.17

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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.