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Finding the Fourth Proportional to 169,127,995.20, 253,691,992.80 and 169,127,995.20

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Solution

The fourth proportional to 169,127,995.20, 253,691,992.80 and 169,127,995.20 is: 253,691,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,127,995.20 : 253,691,992.80 = 169,127,995.20 : x
  2. Step 2: Convert to fraction form
    169,127,995.20/253,691,992.80 = 169,127,995.20/x
  3. Step 3: Cross multiply
    169,127,995.20x = 253,691,992.80 × 169,127,995.20
  4. Step 4: Simplify right side
    169,127,995.20x = 42,906,418,140,556,832
  5. Step 5: Solve for x
    x = 42,906,418,140,556,832/169,127,995.20
  6. Step 6: Final answer
    x = 253,691,992.80

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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.