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Finding the Fourth Proportional to 89,235.84, 133,768.42 and 33,060.87

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Solution

The fourth proportional to 89,235.84, 133,768.42 and 33,060.87 is: 49,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,235.84 : 133,768.42 = 33,060.87 : x
  2. Step 2: Convert to fraction form
    89,235.84/133,768.42 = 33,060.87/x
  3. Step 3: Cross multiply
    89,235.84x = 133,768.42 × 33,060.87
  4. Step 4: Simplify right side
    89,235.84x = 4,422,499,509.58
  5. Step 5: Solve for x
    x = 4,422,499,509.58/89,235.84
  6. Step 6: Final answer
    x = 49,559.68

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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.