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Finding the Fourth Proportional to 43,699,687.90, 65,543,311.05 and 14,947,150.30

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Solution

The fourth proportional to 43,699,687.90, 65,543,311.05 and 14,947,150.30 is: 22,418,597.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,699,687.90 : 65,543,311.05 = 14,947,150.30 : x
  2. Step 2: Convert to fraction form
    43,699,687.90/65,543,311.05 = 14,947,150.30/x
  3. Step 3: Cross multiply
    43,699,687.90x = 65,543,311.05 × 14,947,150.30
  4. Step 4: Simplify right side
    43,699,687.90x = 979,685,721,424,000.88
  5. Step 5: Solve for x
    x = 979,685,721,424,000.88/43,699,687.90
  6. Step 6: Final answer
    x = 22,418,597.67

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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.