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Finding the Fourth Proportional to 169,151,999.70, 253,727,999.55 and 101,127,551.70

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Solution

The fourth proportional to 169,151,999.70, 253,727,999.55 and 101,127,551.70 is: 151,691,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,151,999.70 : 253,727,999.55 = 101,127,551.70 : x
  2. Step 2: Convert to fraction form
    169,151,999.70/253,727,999.55 = 101,127,551.70/x
  3. Step 3: Cross multiply
    169,151,999.70x = 253,727,999.55 × 101,127,551.70
  4. Step 4: Simplify right side
    169,151,999.70x = 25,658,891,392,230,204
  5. Step 5: Solve for x
    x = 25,658,891,392,230,204/169,151,999.70
  6. Step 6: Final answer
    x = 151,691,327.55

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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.