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Finding the Fourth Proportional to 228,813.72, 343,215.62 and 62,601.72

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Solution

The fourth proportional to 228,813.72, 343,215.62 and 62,601.72 is: 93,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,813.72 : 343,215.62 = 62,601.72 : x
  2. Step 2: Convert to fraction form
    228,813.72/343,215.62 = 62,601.72/x
  3. Step 3: Cross multiply
    228,813.72x = 343,215.62 × 62,601.72
  4. Step 4: Simplify right side
    228,813.72x = 21,485,888,142.87
  5. Step 5: Solve for x
    x = 21,485,888,142.87/228,813.72
  6. Step 6: Final answer
    x = 93,901.22

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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.