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Finding the Fourth Proportional to 94,870, 142,286.72 and 44,255.04

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Solution

The fourth proportional to 94,870, 142,286.72 and 44,255.04 is: 66,374.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,870 : 142,286.72 = 44,255.04 : x
  2. Step 2: Convert to fraction form
    94,870/142,286.72 = 44,255.04/x
  3. Step 3: Cross multiply
    94,870x = 142,286.72 × 44,255.04
  4. Step 4: Simplify right side
    94,870x = 6,296,904,485.07
  5. Step 5: Solve for x
    x = 6,296,904,485.07/94,870
  6. Step 6: Final answer
    x = 66,374.03

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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.