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Finding the Fourth Proportional to 95,435.01, 131,690.34 and 55,161.81

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Solution

The fourth proportional to 95,435.01, 131,690.34 and 55,161.81 is: 76,117.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,435.01 : 131,690.34 = 55,161.81 : x
  2. Step 2: Convert to fraction form
    95,435.01/131,690.34 = 55,161.81/x
  3. Step 3: Cross multiply
    95,435.01x = 131,690.34 × 55,161.81
  4. Step 4: Simplify right side
    95,435.01x = 7,264,277,513.92
  5. Step 5: Solve for x
    x = 7,264,277,513.92/95,435.01
  6. Step 6: Final answer
    x = 76,117.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.