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Finding the Fourth Proportional to 69,984,080.48, 104,976,120.71 and 69,984,080.48

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Solution

The fourth proportional to 69,984,080.48, 104,976,120.71 and 69,984,080.48 is: 104,976,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,080.48 : 104,976,120.71 = 69,984,080.48 : x
  2. Step 2: Convert to fraction form
    69,984,080.48/104,976,120.71 = 69,984,080.48/x
  3. Step 3: Cross multiply
    69,984,080.48x = 104,976,120.71 × 69,984,080.48
  4. Step 4: Simplify right side
    69,984,080.48x = 7,346,657,279,896,914
  5. Step 5: Solve for x
    x = 7,346,657,279,896,914/69,984,080.48
  6. Step 6: Final answer
    x = 104,976,120.71

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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.