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Finding the Fourth Proportional to 106,121.66, 146,444.80 and 58,375

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Solution

The fourth proportional to 106,121.66, 146,444.80 and 58,375 is: 80,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,121.66 : 146,444.80 = 58,375 : x
  2. Step 2: Convert to fraction form
    106,121.66/146,444.80 = 58,375/x
  3. Step 3: Cross multiply
    106,121.66x = 146,444.80 × 58,375
  4. Step 4: Simplify right side
    106,121.66x = 8,548,715,200.00
  5. Step 5: Solve for x
    x = 8,548,715,200.00/106,121.66
  6. Step 6: Final answer
    x = 80,555.80

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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.