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Finding the Fourth Proportional to 120,969,404.20, 181,454,106.30 and 120,969,404.20

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Solution

The fourth proportional to 120,969,404.20, 181,454,106.30 and 120,969,404.20 is: 181,454,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,969,404.20 : 181,454,106.30 = 120,969,404.20 : x
  2. Step 2: Convert to fraction form
    120,969,404.20/181,454,106.30 = 120,969,404.20/x
  3. Step 3: Cross multiply
    120,969,404.20x = 181,454,106.30 × 120,969,404.20
  4. Step 4: Simplify right side
    120,969,404.20x = 21,950,395,128,754,468
  5. Step 5: Solve for x
    x = 21,950,395,128,754,468/120,969,404.20
  6. Step 6: Final answer
    x = 181,454,106.30

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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.