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Finding the Fourth Proportional to 562,189.58, 843,276.92 and 135,723.11

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Solution

The fourth proportional to 562,189.58, 843,276.92 and 135,723.11 is: 203,582.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,189.58 : 843,276.92 = 135,723.11 : x
  2. Step 2: Convert to fraction form
    562,189.58/843,276.92 = 135,723.11/x
  3. Step 3: Cross multiply
    562,189.58x = 843,276.92 × 135,723.11
  4. Step 4: Simplify right side
    562,189.58x = 114,452,161,278.62
  5. Step 5: Solve for x
    x = 114,452,161,278.62/562,189.58
  6. Step 6: Final answer
    x = 203,582.86

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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.