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Finding the Fourth Proportional to 139,324.10, 192,326.10 and 94,063.38

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Solution

The fourth proportional to 139,324.10, 192,326.10 and 94,063.38 is: 129,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,324.10 : 192,326.10 = 94,063.38 : x
  2. Step 2: Convert to fraction form
    139,324.10/192,326.10 = 94,063.38/x
  3. Step 3: Cross multiply
    139,324.10x = 192,326.10 × 94,063.38
  4. Step 4: Simplify right side
    139,324.10x = 18,090,843,028.22
  5. Step 5: Solve for x
    x = 18,090,843,028.22/139,324.10
  6. Step 6: Final answer
    x = 129,847.19

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1.5x scale

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.