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Finding the Fourth Proportional to 41,992,147.20, 62,978,768.10 and 15,065,803.20

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Solution

The fourth proportional to 41,992,147.20, 62,978,768.10 and 15,065,803.20 is: 22,595,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,992,147.20 : 62,978,768.10 = 15,065,803.20 : x
  2. Step 2: Convert to fraction form
    41,992,147.20/62,978,768.10 = 15,065,803.20/x
  3. Step 3: Cross multiply
    41,992,147.20x = 62,978,768.10 × 15,065,803.20
  4. Step 4: Simplify right side
    41,992,147.20x = 948,825,725,973,037.88
  5. Step 5: Solve for x
    x = 948,825,725,973,037.88/41,992,147.20
  6. Step 6: Final answer
    x = 22,595,313.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.