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Finding the Fourth Proportional to 269,678.16, 404,697.81 and 111,906.77

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Solution

The fourth proportional to 269,678.16, 404,697.81 and 111,906.77 is: 167,935.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,678.16 : 404,697.81 = 111,906.77 : x
  2. Step 2: Convert to fraction form
    269,678.16/404,697.81 = 111,906.77/x
  3. Step 3: Cross multiply
    269,678.16x = 404,697.81 × 111,906.77
  4. Step 4: Simplify right side
    269,678.16x = 45,288,422,719.68
  5. Step 5: Solve for x
    x = 45,288,422,719.68/269,678.16
  6. Step 6: Final answer
    x = 167,935.08

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1.5x scale

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.