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Finding the Fourth Proportional to 228,908.70, 343,363.05 and 62,696.70

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Solution

The fourth proportional to 228,908.70, 343,363.05 and 62,696.70 is: 94,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,908.70 : 343,363.05 = 62,696.70 : x
  2. Step 2: Convert to fraction form
    228,908.70/343,363.05 = 62,696.70/x
  3. Step 3: Cross multiply
    228,908.70x = 343,363.05 × 62,696.70
  4. Step 4: Simplify right side
    228,908.70x = 21,527,730,136.94
  5. Step 5: Solve for x
    x = 21,527,730,136.94/228,908.70
  6. Step 6: Final answer
    x = 94,045.05

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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.