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Finding the Fourth Proportional to 67,006,044.80, 100,509,067.20 and 67,006,044.80

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Solution

The fourth proportional to 67,006,044.80, 100,509,067.20 and 67,006,044.80 is: 100,509,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,006,044.80 : 100,509,067.20 = 67,006,044.80 : x
  2. Step 2: Convert to fraction form
    67,006,044.80/100,509,067.20 = 67,006,044.80/x
  3. Step 3: Cross multiply
    67,006,044.80x = 100,509,067.20 × 67,006,044.80
  4. Step 4: Simplify right side
    67,006,044.80x = 6,734,715,059,609,410
  5. Step 5: Solve for x
    x = 6,734,715,059,609,410/67,006,044.80
  6. Step 6: Final answer
    x = 100,509,067.20

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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.