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Finding the Fourth Proportional to 120,965,562.70, 181,448,344.05 and 120,965,562.70

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Solution

The fourth proportional to 120,965,562.70, 181,448,344.05 and 120,965,562.70 is: 181,448,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,965,562.70 : 181,448,344.05 = 120,965,562.70 : x
  2. Step 2: Convert to fraction form
    120,965,562.70/181,448,344.05 = 120,965,562.70/x
  3. Step 3: Cross multiply
    120,965,562.70x = 181,448,344.05 × 120,965,562.70
  4. Step 4: Simplify right side
    120,965,562.70x = 21,949,001,038,991,448
  5. Step 5: Solve for x
    x = 21,949,001,038,991,448/120,965,562.70
  6. Step 6: Final answer
    x = 181,448,344.05

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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.