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Finding the Fourth Proportional to 89,008.67, 133,465.11 and 35,673.89

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Solution

The fourth proportional to 89,008.67, 133,465.11 and 35,673.89 is: 53,491.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,008.67 : 133,465.11 = 35,673.89 : x
  2. Step 2: Convert to fraction form
    89,008.67/133,465.11 = 35,673.89/x
  3. Step 3: Cross multiply
    89,008.67x = 133,465.11 × 35,673.89
  4. Step 4: Simplify right side
    89,008.67x = 4,761,218,985.65
  5. Step 5: Solve for x
    x = 4,761,218,985.65/89,008.67
  6. Step 6: Final answer
    x = 53,491.63

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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.