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Finding the Fourth Proportional to 89,859.93, 134,750.52 and 33,660.60

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Solution

The fourth proportional to 89,859.93, 134,750.52 and 33,660.60 is: 50,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,859.93 : 134,750.52 = 33,660.60 : x
  2. Step 2: Convert to fraction form
    89,859.93/134,750.52 = 33,660.60/x
  3. Step 3: Cross multiply
    89,859.93x = 134,750.52 × 33,660.60
  4. Step 4: Simplify right side
    89,859.93x = 4,535,783,353.51
  5. Step 5: Solve for x
    x = 4,535,783,353.51/89,859.93
  6. Step 6: Final answer
    x = 50,476.15

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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.