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Finding the Fourth Proportional to 65,183,842.80, 97,775,764.20 and 22,054,453.20

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Solution

The fourth proportional to 65,183,842.80, 97,775,764.20 and 22,054,453.20 is: 33,081,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,183,842.80 : 97,775,764.20 = 22,054,453.20 : x
  2. Step 2: Convert to fraction form
    65,183,842.80/97,775,764.20 = 22,054,453.20/x
  3. Step 3: Cross multiply
    65,183,842.80x = 97,775,764.20 × 22,054,453.20
  4. Step 4: Simplify right side
    65,183,842.80x = 2,156,391,015,643,135.50
  5. Step 5: Solve for x
    x = 2,156,391,015,643,135.50/65,183,842.80
  6. Step 6: Final answer
    x = 33,081,679.80

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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.