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Finding the Fourth Proportional to 228,034.48, 342,057.60 and 108,063.28

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Solution

The fourth proportional to 228,034.48, 342,057.60 and 108,063.28 is: 162,097.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,034.48 : 342,057.60 = 108,063.28 : x
  2. Step 2: Convert to fraction form
    228,034.48/342,057.60 = 108,063.28/x
  3. Step 3: Cross multiply
    228,034.48x = 342,057.60 × 108,063.28
  4. Step 4: Simplify right side
    228,034.48x = 36,963,866,204.93
  5. Step 5: Solve for x
    x = 36,963,866,204.93/228,034.48
  6. Step 6: Final answer
    x = 162,097.71

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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.