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Finding the Fourth Proportional to 228,468.33, 342,757.17 and 70,696.80

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Solution

The fourth proportional to 228,468.33, 342,757.17 and 70,696.80 is: 106,062.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,468.33 : 342,757.17 = 70,696.80 : x
  2. Step 2: Convert to fraction form
    228,468.33/342,757.17 = 70,696.80/x
  3. Step 3: Cross multiply
    228,468.33x = 342,757.17 × 70,696.80
  4. Step 4: Simplify right side
    228,468.33x = 24,231,835,096.06
  5. Step 5: Solve for x
    x = 24,231,835,096.06/228,468.33
  6. Step 6: Final answer
    x = 106,062.12

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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.