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Finding the Fourth Proportional to 95,120, 131,265.32 and 54,833.54

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Solution

The fourth proportional to 95,120, 131,265.32 and 54,833.54 is: 75,670.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,120 : 131,265.32 = 54,833.54 : x
  2. Step 2: Convert to fraction form
    95,120/131,265.32 = 54,833.54/x
  3. Step 3: Cross multiply
    95,120x = 131,265.32 × 54,833.54
  4. Step 4: Simplify right side
    95,120x = 7,197,742,174.83
  5. Step 5: Solve for x
    x = 7,197,742,174.83/95,120
  6. Step 6: Final answer
    x = 75,670.12

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Why These Related Problems?

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