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Finding the Fourth Proportional to 101,167.46, 139,611.58 and 55,844.62

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Solution

The fourth proportional to 101,167.46, 139,611.58 and 55,844.62 is: 77,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,167.46 : 139,611.58 = 55,844.62 : x
  2. Step 2: Convert to fraction form
    101,167.46/139,611.58 = 55,844.62/x
  3. Step 3: Cross multiply
    101,167.46x = 139,611.58 × 55,844.62
  4. Step 4: Simplify right side
    101,167.46x = 7,796,555,632.70
  5. Step 5: Solve for x
    x = 7,796,555,632.70/101,167.46
  6. Step 6: Final answer
    x = 77,065.84

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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.