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Finding the Fourth Proportional to 223,543.20, 335,314.80 and 73,806.60

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Solution

The fourth proportional to 223,543.20, 335,314.80 and 73,806.60 is: 110,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,543.20 : 335,314.80 = 73,806.60 : x
  2. Step 2: Convert to fraction form
    223,543.20/335,314.80 = 73,806.60/x
  3. Step 3: Cross multiply
    223,543.20x = 335,314.80 × 73,806.60
  4. Step 4: Simplify right side
    223,543.20x = 24,748,445,317.68
  5. Step 5: Solve for x
    x = 24,748,445,317.68/223,543.20
  6. Step 6: Final answer
    x = 110,709.90

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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.