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Finding the Fourth Proportional to 265,940.20, 366,979.98 and 163,953.10

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Solution

The fourth proportional to 265,940.20, 366,979.98 and 163,953.10 is: 226,244.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,940.20 : 366,979.98 = 163,953.10 : x
  2. Step 2: Convert to fraction form
    265,940.20/366,979.98 = 163,953.10/x
  3. Step 3: Cross multiply
    265,940.20x = 366,979.98 × 163,953.10
  4. Step 4: Simplify right side
    265,940.20x = 60,167,505,358.94
  5. Step 5: Solve for x
    x = 60,167,505,358.94/265,940.20
  6. Step 6: Final answer
    x = 226,244.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.