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Finding the Fourth Proportional to 88,754.40, 132,912.90 and 59,011.20

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Solution

The fourth proportional to 88,754.40, 132,912.90 and 59,011.20 is: 88,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,754.40 : 132,912.90 = 59,011.20 : x
  2. Step 2: Convert to fraction form
    88,754.40/132,912.90 = 59,011.20/x
  3. Step 3: Cross multiply
    88,754.40x = 132,912.90 × 59,011.20
  4. Step 4: Simplify right side
    88,754.40x = 7,843,349,724.48
  5. Step 5: Solve for x
    x = 7,843,349,724.48/88,754.40
  6. Step 6: Final answer
    x = 88,371.39

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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.