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Finding the Fourth Proportional to 109,628.94, 151,287.94 and 59,327.94

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Solution

The fourth proportional to 109,628.94, 151,287.94 and 59,327.94 is: 81,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,628.94 : 151,287.94 = 59,327.94 : x
  2. Step 2: Convert to fraction form
    109,628.94/151,287.94 = 59,327.94/x
  3. Step 3: Cross multiply
    109,628.94x = 151,287.94 × 59,327.94
  4. Step 4: Simplify right side
    109,628.94x = 8,975,601,530.40
  5. Step 5: Solve for x
    x = 8,975,601,530.40/109,628.94
  6. Step 6: Final answer
    x = 81,872.56

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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.