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Finding the Fourth Proportional to 228,846.10, 343,301.55 and 71,058.10

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Solution

The fourth proportional to 228,846.10, 343,301.55 and 71,058.10 is: 106,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,846.10 : 343,301.55 = 71,058.10 : x
  2. Step 2: Convert to fraction form
    228,846.10/343,301.55 = 71,058.10/x
  3. Step 3: Cross multiply
    228,846.10x = 343,301.55 × 71,058.10
  4. Step 4: Simplify right side
    228,846.10x = 24,394,355,870.06
  5. Step 5: Solve for x
    x = 24,394,355,870.06/228,846.10
  6. Step 6: Final answer
    x = 106,597.21

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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.