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Finding the Fourth Proportional to 62,978,800.20, 94,468,200.30 and 62,171,674.19

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Solution

The fourth proportional to 62,978,800.20, 94,468,200.30 and 62,171,674.19 is: 93,257,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,978,800.20 : 94,468,200.30 = 62,171,674.19 : x
  2. Step 2: Convert to fraction form
    62,978,800.20/94,468,200.30 = 62,171,674.19/x
  3. Step 3: Cross multiply
    62,978,800.20x = 94,468,200.30 × 62,171,674.19
  4. Step 4: Simplify right side
    62,978,800.20x = 5,873,246,169,894,919
  5. Step 5: Solve for x
    x = 5,873,246,169,894,919/62,978,800.20
  6. Step 6: Final answer
    x = 93,257,511.28

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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.