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Finding the Fourth Proportional to 184,086.60, 276,129.90 and 65,761.80

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Solution

The fourth proportional to 184,086.60, 276,129.90 and 65,761.80 is: 98,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,086.60 : 276,129.90 = 65,761.80 : x
  2. Step 2: Convert to fraction form
    184,086.60/276,129.90 = 65,761.80/x
  3. Step 3: Cross multiply
    184,086.60x = 276,129.90 × 65,761.80
  4. Step 4: Simplify right side
    184,086.60x = 18,158,799,257.82
  5. Step 5: Solve for x
    x = 18,158,799,257.82/184,086.60
  6. Step 6: Final answer
    x = 98,642.70

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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.