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Finding the Fourth Proportional to 79,794,329.84, 119,712,818.00 and 28,676,791.52

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Solution

The fourth proportional to 79,794,329.84, 119,712,818.00 and 28,676,791.52 is: 43,022,850.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794,329.84 : 119,712,818.00 = 28,676,791.52 : x
  2. Step 2: Convert to fraction form
    79,794,329.84/119,712,818.00 = 28,676,791.52/x
  3. Step 3: Cross multiply
    79,794,329.84x = 119,712,818.00 × 28,676,791.52
  4. Step 4: Simplify right side
    79,794,329.84x = 3,432,979,523,530,831.50
  5. Step 5: Solve for x
    x = 3,432,979,523,530,831.50/79,794,329.84
  6. Step 6: Final answer
    x = 43,022,850.50

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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.