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Finding the Fourth Proportional to 229,459.32, 344,249.73 and 79,699.23

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Solution

The fourth proportional to 229,459.32, 344,249.73 and 79,699.23 is: 119,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,459.32 : 344,249.73 = 79,699.23 : x
  2. Step 2: Convert to fraction form
    229,459.32/344,249.73 = 79,699.23/x
  3. Step 3: Cross multiply
    229,459.32x = 344,249.73 × 79,699.23
  4. Step 4: Simplify right side
    229,459.32x = 27,436,438,408.71
  5. Step 5: Solve for x
    x = 27,436,438,408.71/229,459.32
  6. Step 6: Final answer
    x = 119,569.95

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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.