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Finding the Fourth Proportional to 73,779.98, 110,669.73 and 44,206.70

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Solution

The fourth proportional to 73,779.98, 110,669.73 and 44,206.70 is: 66,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,779.98 : 110,669.73 = 44,206.70 : x
  2. Step 2: Convert to fraction form
    73,779.98/110,669.73 = 44,206.70/x
  3. Step 3: Cross multiply
    73,779.98x = 110,669.73 × 44,206.70
  4. Step 4: Simplify right side
    73,779.98x = 4,892,343,553.19
  5. Step 5: Solve for x
    x = 4,892,343,553.19/73,779.98
  6. Step 6: Final answer
    x = 66,309.91

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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.