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Finding the Fourth Proportional to 105,754.33, 158,580.87 and 61,393.33

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Solution

The fourth proportional to 105,754.33, 158,580.87 and 61,393.33 is: 92,060.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,754.33 : 158,580.87 = 61,393.33 : x
  2. Step 2: Convert to fraction form
    105,754.33/158,580.87 = 61,393.33/x
  3. Step 3: Cross multiply
    105,754.33x = 158,580.87 × 61,393.33
  4. Step 4: Simplify right side
    105,754.33x = 9,735,807,683.60
  5. Step 5: Solve for x
    x = 9,735,807,683.60/105,754.33
  6. Step 6: Final answer
    x = 92,060.61

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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.