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Finding the Fourth Proportional to 101,165.40, 151,863.30 and 59,635.80

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Solution

The fourth proportional to 101,165.40, 151,863.30 and 59,635.80 is: 89,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,165.40 : 151,863.30 = 59,635.80 : x
  2. Step 2: Convert to fraction form
    101,165.40/151,863.30 = 59,635.80/x
  3. Step 3: Cross multiply
    101,165.40x = 151,863.30 × 59,635.80
  4. Step 4: Simplify right side
    101,165.40x = 9,056,489,386.14
  5. Step 5: Solve for x
    x = 9,056,489,386.14/101,165.40
  6. Step 6: Final answer
    x = 89,521.61

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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.