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Finding the Fourth Proportional to 79,894,598.88, 119,876,423.07 and 42,963,323.43

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Solution

The fourth proportional to 79,894,598.88, 119,876,423.07 and 42,963,323.43 is: 64,463,550.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,894,598.88 : 119,876,423.07 = 42,963,323.43 : x
  2. Step 2: Convert to fraction form
    79,894,598.88/119,876,423.07 = 42,963,323.43/x
  3. Step 3: Cross multiply
    79,894,598.88x = 119,876,423.07 × 42,963,323.43
  4. Step 4: Simplify right side
    79,894,598.88x = 5,150,289,535,987,923
  5. Step 5: Solve for x
    x = 5,150,289,535,987,923/79,894,598.88
  6. Step 6: Final answer
    x = 64,463,550.83

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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.