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Finding the Fourth Proportional to 228,812.72, 343,214.12 and 62,600.72

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Solution

The fourth proportional to 228,812.72, 343,214.12 and 62,600.72 is: 93,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,812.72 : 343,214.12 = 62,600.72 : x
  2. Step 2: Convert to fraction form
    228,812.72/343,214.12 = 62,600.72/x
  3. Step 3: Cross multiply
    228,812.72x = 343,214.12 × 62,600.72
  4. Step 4: Simplify right side
    228,812.72x = 21,485,451,026.17
  5. Step 5: Solve for x
    x = 21,485,451,026.17/228,812.72
  6. Step 6: Final answer
    x = 93,899.72

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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.