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Finding the Fourth Proportional to 168,573.60, 252,784.26 and 89,670.96

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Solution

The fourth proportional to 168,573.60, 252,784.26 and 89,670.96 is: 134,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,573.60 : 252,784.26 = 89,670.96 : x
  2. Step 2: Convert to fraction form
    168,573.60/252,784.26 = 89,670.96/x
  3. Step 3: Cross multiply
    168,573.60x = 252,784.26 × 89,670.96
  4. Step 4: Simplify right side
    168,573.60x = 22,667,407,267.09
  5. Step 5: Solve for x
    x = 22,667,407,267.09/168,573.60
  6. Step 6: Final answer
    x = 134,465.94

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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.