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Finding the Fourth Proportional to 167,482.68, 251,082.81 and 72,641.46

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Solution

The fourth proportional to 167,482.68, 251,082.81 and 72,641.46 is: 108,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,482.68 : 251,082.81 = 72,641.46 : x
  2. Step 2: Convert to fraction form
    167,482.68/251,082.81 = 72,641.46/x
  3. Step 3: Cross multiply
    167,482.68x = 251,082.81 × 72,641.46
  4. Step 4: Simplify right side
    167,482.68x = 18,239,021,717.70
  5. Step 5: Solve for x
    x = 18,239,021,717.70/167,482.68
  6. Step 6: Final answer
    x = 108,900.94

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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.