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Finding the Fourth Proportional to 303,482.89, 418,806.41 and 167,516.87

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Solution

The fourth proportional to 303,482.89, 418,806.41 and 167,516.87 is: 231,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,482.89 : 418,806.41 = 167,516.87 : x
  2. Step 2: Convert to fraction form
    303,482.89/418,806.41 = 167,516.87/x
  3. Step 3: Cross multiply
    303,482.89x = 418,806.41 × 167,516.87
  4. Step 4: Simplify right side
    303,482.89x = 70,157,139,305.59
  5. Step 5: Solve for x
    x = 70,157,139,305.59/303,482.89
  6. Step 6: Final answer
    x = 231,173.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.