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Finding the Fourth Proportional to 95,657.21, 132,018.29 and 54,835.94

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Solution

The fourth proportional to 95,657.21, 132,018.29 and 54,835.94 is: 75,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,657.21 : 132,018.29 = 54,835.94 : x
  2. Step 2: Convert to fraction form
    95,657.21/132,018.29 = 54,835.94/x
  3. Step 3: Cross multiply
    95,657.21x = 132,018.29 × 54,835.94
  4. Step 4: Simplify right side
    95,657.21x = 7,239,347,290.84
  5. Step 5: Solve for x
    x = 7,239,347,290.84/95,657.21
  6. Step 6: Final answer
    x = 75,680.10

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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.