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Finding the Fourth Proportional to 94,530, 141,818.04 and 28,866

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Solution

The fourth proportional to 94,530, 141,818.04 and 28,866 is: 43,306.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,530 : 141,818.04 = 28,866 : x
  2. Step 2: Convert to fraction form
    94,530/141,818.04 = 28,866/x
  3. Step 3: Cross multiply
    94,530x = 141,818.04 × 28,866
  4. Step 4: Simplify right side
    94,530x = 4,093,719,542.64
  5. Step 5: Solve for x
    x = 4,093,719,542.64/94,530
  6. Step 6: Final answer
    x = 43,306.04

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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.