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Finding the Fourth Proportional to 89,382.66, 133,953.03 and 33,948.42

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Solution

The fourth proportional to 89,382.66, 133,953.03 and 33,948.42 is: 50,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,382.66 : 133,953.03 = 33,948.42 : x
  2. Step 2: Convert to fraction form
    89,382.66/133,953.03 = 33,948.42/x
  3. Step 3: Cross multiply
    89,382.66x = 133,953.03 × 33,948.42
  4. Step 4: Simplify right side
    89,382.66x = 4,547,493,722.71
  5. Step 5: Solve for x
    x = 4,547,493,722.71/89,382.66
  6. Step 6: Final answer
    x = 50,876.69

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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.