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Finding the Fourth Proportional to 119,883,375.45, 168,006,786.75 and 119,883,375.45

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Solution

The fourth proportional to 119,883,375.45, 168,006,786.75 and 119,883,375.45 is: 168,006,786.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,883,375.45 : 168,006,786.75 = 119,883,375.45 : x
  2. Step 2: Convert to fraction form
    119,883,375.45/168,006,786.75 = 119,883,375.45/x
  3. Step 3: Cross multiply
    119,883,375.45x = 168,006,786.75 × 119,883,375.45
  4. Step 4: Simplify right side
    119,883,375.45x = 20,141,220,694,098,336
  5. Step 5: Solve for x
    x = 20,141,220,694,098,336/119,883,375.45
  6. Step 6: Final answer
    x = 168,006,786.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.