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Finding the Fourth Proportional to 74,310,367.20, 111,465,550.80 and 74,310,367.20

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Solution

The fourth proportional to 74,310,367.20, 111,465,550.80 and 74,310,367.20 is: 111,465,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,310,367.20 : 111,465,550.80 = 74,310,367.20 : x
  2. Step 2: Convert to fraction form
    74,310,367.20/111,465,550.80 = 74,310,367.20/x
  3. Step 3: Cross multiply
    74,310,367.20x = 111,465,550.80 × 74,310,367.20
  4. Step 4: Simplify right side
    74,310,367.20x = 8,283,046,010,098,254
  5. Step 5: Solve for x
    x = 8,283,046,010,098,254/74,310,367.20
  6. Step 6: Final answer
    x = 111,465,550.80

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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.