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Finding the Fourth Proportional to 89,121.62, 133,675.87 and 32,935.51

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Solution

The fourth proportional to 89,121.62, 133,675.87 and 32,935.51 is: 49,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,121.62 : 133,675.87 = 32,935.51 : x
  2. Step 2: Convert to fraction form
    89,121.62/133,675.87 = 32,935.51/x
  3. Step 3: Cross multiply
    89,121.62x = 133,675.87 × 32,935.51
  4. Step 4: Simplify right side
    89,121.62x = 4,402,683,099.65
  5. Step 5: Solve for x
    x = 4,402,683,099.65/89,121.62
  6. Step 6: Final answer
    x = 49,400.84

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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.