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Finding the Fourth Proportional to 265,939.20, 366,978.60 and 163,952.10

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Solution

The fourth proportional to 265,939.20, 366,978.60 and 163,952.10 is: 226,243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,939.20 : 366,978.60 = 163,952.10 : x
  2. Step 2: Convert to fraction form
    265,939.20/366,978.60 = 163,952.10/x
  3. Step 3: Cross multiply
    265,939.20x = 366,978.60 × 163,952.10
  4. Step 4: Simplify right side
    265,939.20x = 60,166,912,125.06
  5. Step 5: Solve for x
    x = 60,166,912,125.06/265,939.20
  6. Step 6: Final answer
    x = 226,243.11

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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.