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Finding the Fourth Proportional to 139,937.39, 192,960.99 and 94,536.54

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Solution

The fourth proportional to 139,937.39, 192,960.99 and 94,536.54 is: 130,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,937.39 : 192,960.99 = 94,536.54 : x
  2. Step 2: Convert to fraction form
    139,937.39/192,960.99 = 94,536.54/x
  3. Step 3: Cross multiply
    139,937.39x = 192,960.99 × 94,536.54
  4. Step 4: Simplify right side
    139,937.39x = 18,241,865,073.18
  5. Step 5: Solve for x
    x = 18,241,865,073.18/139,937.39
  6. Step 6: Final answer
    x = 130,357.33

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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.