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Finding the Fourth Proportional to 120,969,584.20, 181,454,376.30 and 120,969,584.20

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Solution

The fourth proportional to 120,969,584.20, 181,454,376.30 and 120,969,584.20 is: 181,454,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,969,584.20 : 181,454,376.30 = 120,969,584.20 : x
  2. Step 2: Convert to fraction form
    120,969,584.20/181,454,376.30 = 120,969,584.20/x
  3. Step 3: Cross multiply
    120,969,584.20x = 181,454,376.30 × 120,969,584.20
  4. Step 4: Simplify right side
    120,969,584.20x = 21,950,460,452,281,336
  5. Step 5: Solve for x
    x = 21,950,460,452,281,336/120,969,584.20
  6. Step 6: Final answer
    x = 181,454,376.30

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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.