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Finding the Fourth Proportional to 104,286.58, 143,914.61 and 58,973.46

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Solution

The fourth proportional to 104,286.58, 143,914.61 and 58,973.46 is: 81,382.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,286.58 : 143,914.61 = 58,973.46 : x
  2. Step 2: Convert to fraction form
    104,286.58/143,914.61 = 58,973.46/x
  3. Step 3: Cross multiply
    104,286.58x = 143,914.61 × 58,973.46
  4. Step 4: Simplify right side
    104,286.58x = 8,487,142,643.68
  5. Step 5: Solve for x
    x = 8,487,142,643.68/104,286.58
  6. Step 6: Final answer
    x = 81,382.88

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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.