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Finding the Fourth Proportional to 165,470.20, 248,205.30 and 165,470.20

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Solution

The fourth proportional to 165,470.20, 248,205.30 and 165,470.20 is: 248,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,470.20 : 248,205.30 = 165,470.20 : x
  2. Step 2: Convert to fraction form
    165,470.20/248,205.30 = 165,470.20/x
  3. Step 3: Cross multiply
    165,470.20x = 248,205.30 × 165,470.20
  4. Step 4: Simplify right side
    165,470.20x = 41,070,580,632.06
  5. Step 5: Solve for x
    x = 41,070,580,632.06/165,470.20
  6. Step 6: Final answer
    x = 248,205.30

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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.