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Finding the Fourth Proportional to 168,559.60, 252,763.26 and 89,656.96

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Solution

The fourth proportional to 168,559.60, 252,763.26 and 89,656.96 is: 134,444.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,559.60 : 252,763.26 = 89,656.96 : x
  2. Step 2: Convert to fraction form
    168,559.60/252,763.26 = 89,656.96/x
  3. Step 3: Cross multiply
    168,559.60x = 252,763.26 × 89,656.96
  4. Step 4: Simplify right side
    168,559.60x = 22,661,985,491.29
  5. Step 5: Solve for x
    x = 22,661,985,491.29/168,559.60
  6. Step 6: Final answer
    x = 134,444.94

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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.