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Finding the Fourth Proportional to 29,011,990.80, 43,517,986.20 and 29,011,990.80

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Solution

The fourth proportional to 29,011,990.80, 43,517,986.20 and 29,011,990.80 is: 43,517,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,011,990.80 : 43,517,986.20 = 29,011,990.80 : x
  2. Step 2: Convert to fraction form
    29,011,990.80/43,517,986.20 = 29,011,990.80/x
  3. Step 3: Cross multiply
    29,011,990.80x = 43,517,986.20 × 29,011,990.80
  4. Step 4: Simplify right side
    29,011,990.80x = 1,262,543,415,268,927
  5. Step 5: Solve for x
    x = 1,262,543,415,268,927/29,011,990.80
  6. Step 6: Final answer
    x = 43,517,986.20

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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.