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Finding the Fourth Proportional to 89,754.93, 134,644.69 and 39,833.92

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Solution

The fourth proportional to 89,754.93, 134,644.69 and 39,833.92 is: 59,756.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,754.93 : 134,644.69 = 39,833.92 : x
  2. Step 2: Convert to fraction form
    89,754.93/134,644.69 = 39,833.92/x
  3. Step 3: Cross multiply
    89,754.93x = 134,644.69 × 39,833.92
  4. Step 4: Simplify right side
    89,754.93x = 5,363,425,809.88
  5. Step 5: Solve for x
    x = 5,363,425,809.88/89,754.93
  6. Step 6: Final answer
    x = 59,756.34

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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.