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Finding the Fourth Proportional to 267,763.08, 401,657.98 and 87,832.52

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Solution

The fourth proportional to 267,763.08, 401,657.98 and 87,832.52 is: 131,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,763.08 : 401,657.98 = 87,832.52 : x
  2. Step 2: Convert to fraction form
    267,763.08/401,657.98 = 87,832.52/x
  3. Step 3: Cross multiply
    267,763.08x = 401,657.98 × 87,832.52
  4. Step 4: Simplify right side
    267,763.08x = 35,278,632,561.51
  5. Step 5: Solve for x
    x = 35,278,632,561.51/267,763.08
  6. Step 6: Final answer
    x = 131,753.16

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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.