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Finding the Fourth Proportional to 303,505.88, 418,861.32 and 167,566.04

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Solution

The fourth proportional to 303,505.88, 418,861.32 and 167,566.04 is: 231,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,505.88 : 418,861.32 = 167,566.04 : x
  2. Step 2: Convert to fraction form
    303,505.88/418,861.32 = 167,566.04/x
  3. Step 3: Cross multiply
    303,505.88x = 418,861.32 × 167,566.04
  4. Step 4: Simplify right side
    303,505.88x = 70,186,932,701.57
  5. Step 5: Solve for x
    x = 70,186,932,701.57/303,505.88
  6. Step 6: Final answer
    x = 231,253.95

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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.