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Finding the Fourth Proportional to 88,754.70, 132,993.81 and 55,853.58

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Solution

The fourth proportional to 88,754.70, 132,993.81 and 55,853.58 is: 83,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,754.70 : 132,993.81 = 55,853.58 : x
  2. Step 2: Convert to fraction form
    88,754.70/132,993.81 = 55,853.58/x
  3. Step 3: Cross multiply
    88,754.70x = 132,993.81 × 55,853.58
  4. Step 4: Simplify right side
    88,754.70x = 7,428,180,406.34
  5. Step 5: Solve for x
    x = 7,428,180,406.34/88,754.70
  6. Step 6: Final answer
    x = 83,693.38

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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.