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Finding the Fourth Proportional to 73,779.48, 110,668.98 and 44,206.20

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Solution

The fourth proportional to 73,779.48, 110,668.98 and 44,206.20 is: 66,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,779.48 : 110,668.98 = 44,206.20 : x
  2. Step 2: Convert to fraction form
    73,779.48/110,668.98 = 44,206.20/x
  3. Step 3: Cross multiply
    73,779.48x = 110,668.98 × 44,206.20
  4. Step 4: Simplify right side
    73,779.48x = 4,892,255,063.68
  5. Step 5: Solve for x
    x = 4,892,255,063.68/73,779.48
  6. Step 6: Final answer
    x = 66,309.16

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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.