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Finding the Fourth Proportional to 273,755.32, 410,632.96 and 86,766.82

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Solution

The fourth proportional to 273,755.32, 410,632.96 and 86,766.82 is: 130,150.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,755.32 : 410,632.96 = 86,766.82 : x
  2. Step 2: Convert to fraction form
    273,755.32/410,632.96 = 86,766.82/x
  3. Step 3: Cross multiply
    273,755.32x = 410,632.96 × 86,766.82
  4. Step 4: Simplify right side
    273,755.32x = 35,629,316,126.39
  5. Step 5: Solve for x
    x = 35,629,316,126.39/273,755.32
  6. Step 6: Final answer
    x = 130,150.22

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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.