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Finding the Fourth Proportional to 94,137, 141,222.90 and 30,960.60

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Solution

The fourth proportional to 94,137, 141,222.90 and 30,960.60 is: 46,446.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,137 : 141,222.90 = 30,960.60 : x
  2. Step 2: Convert to fraction form
    94,137/141,222.90 = 30,960.60/x
  3. Step 3: Cross multiply
    94,137x = 141,222.90 × 30,960.60
  4. Step 4: Simplify right side
    94,137x = 4,372,345,717.74
  5. Step 5: Solve for x
    x = 4,372,345,717.74/94,137
  6. Step 6: Final answer
    x = 46,446.62

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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.