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Finding the Fourth Proportional to 303,482.52, 418,805.90 and 167,516.50

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Solution

The fourth proportional to 303,482.52, 418,805.90 and 167,516.50 is: 231,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,482.52 : 418,805.90 = 167,516.50 : x
  2. Step 2: Convert to fraction form
    303,482.52/418,805.90 = 167,516.50/x
  3. Step 3: Cross multiply
    303,482.52x = 418,805.90 × 167,516.50
  4. Step 4: Simplify right side
    303,482.52x = 70,156,896,662.75
  5. Step 5: Solve for x
    x = 70,156,896,662.75/303,482.52
  6. Step 6: Final answer
    x = 231,172.78

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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.