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Finding the Fourth Proportional to 43,699,676.40, 65,543,293.80 and 14,947,138.80

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Solution

The fourth proportional to 43,699,676.40, 65,543,293.80 and 14,947,138.80 is: 22,418,580.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,699,676.40 : 65,543,293.80 = 14,947,138.80 : x
  2. Step 2: Convert to fraction form
    43,699,676.40/65,543,293.80 = 14,947,138.80/x
  3. Step 3: Cross multiply
    43,699,676.40x = 65,543,293.80 × 14,947,138.80
  4. Step 4: Simplify right side
    43,699,676.40x = 979,684,709,837,779.50
  5. Step 5: Solve for x
    x = 979,684,709,837,779.50/43,699,676.40
  6. Step 6: Final answer
    x = 22,418,580.42

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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.