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Finding the Fourth Proportional to 106,305,722.80, 159,234,635.40 and 106,305,722.80

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Solution

The fourth proportional to 106,305,722.80, 159,234,635.40 and 106,305,722.80 is: 159,234,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,305,722.80 : 159,234,635.40 = 106,305,722.80 : x
  2. Step 2: Convert to fraction form
    106,305,722.80/159,234,635.40 = 106,305,722.80/x
  3. Step 3: Cross multiply
    106,305,722.80x = 159,234,635.40 × 106,305,722.80
  4. Step 4: Simplify right side
    106,305,722.80x = 16,927,553,010,991,468
  5. Step 5: Solve for x
    x = 16,927,553,010,991,468/106,305,722.80
  6. Step 6: Final answer
    x = 159,234,635.40

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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.