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Finding the Fourth Proportional to 94,251.39, 141,186.12 and 43,578.39

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Solution

The fourth proportional to 94,251.39, 141,186.12 and 43,578.39 is: 65,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,251.39 : 141,186.12 = 43,578.39 : x
  2. Step 2: Convert to fraction form
    94,251.39/141,186.12 = 43,578.39/x
  3. Step 3: Cross multiply
    94,251.39x = 141,186.12 × 43,578.39
  4. Step 4: Simplify right side
    94,251.39x = 6,152,664,411.10
  5. Step 5: Solve for x
    x = 6,152,664,411.10/94,251.39
  6. Step 6: Final answer
    x = 65,279.30

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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.