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Finding the Fourth Proportional to 79,349,747.30, 119,024,620.95 and 21,850,892.90

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Solution

The fourth proportional to 79,349,747.30, 119,024,620.95 and 21,850,892.90 is: 32,776,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,349,747.30 : 119,024,620.95 = 21,850,892.90 : x
  2. Step 2: Convert to fraction form
    79,349,747.30/119,024,620.95 = 21,850,892.90/x
  3. Step 3: Cross multiply
    79,349,747.30x = 119,024,620.95 × 21,850,892.90
  4. Step 4: Simplify right side
    79,349,747.30x = 2,600,794,244,841,546
  5. Step 5: Solve for x
    x = 2,600,794,244,841,546/79,349,747.30
  6. Step 6: Final answer
    x = 32,776,339.35

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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.