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Finding the Fourth Proportional to 69,488,250.40, 104,269,700.40 and 29,102,816.80

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Solution

The fourth proportional to 69,488,250.40, 104,269,700.40 and 29,102,816.80 is: 43,669,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,488,250.40 : 104,269,700.40 = 29,102,816.80 : x
  2. Step 2: Convert to fraction form
    69,488,250.40/104,269,700.40 = 29,102,816.80/x
  3. Step 3: Cross multiply
    69,488,250.40x = 104,269,700.40 × 29,102,816.80
  4. Step 4: Simplify right side
    69,488,250.40x = 3,034,541,988,532,087
  5. Step 5: Solve for x
    x = 3,034,541,988,532,087/69,488,250.40
  6. Step 6: Final answer
    x = 43,669,857.44

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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.