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Finding the Fourth Proportional to 89,866.51, 134,661.20 and 44,221.82

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Solution

The fourth proportional to 89,866.51, 134,661.20 and 44,221.82 is: 66,264.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,866.51 : 134,661.20 = 44,221.82 : x
  2. Step 2: Convert to fraction form
    89,866.51/134,661.20 = 44,221.82/x
  3. Step 3: Cross multiply
    89,866.51x = 134,661.20 × 44,221.82
  4. Step 4: Simplify right side
    89,866.51x = 5,954,962,701.72
  5. Step 5: Solve for x
    x = 5,954,962,701.72/89,866.51
  6. Step 6: Final answer
    x = 66,264.53

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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.