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Finding the Fourth Proportional to 269,794.81, 404,597.20 and 89,831.37

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Solution

The fourth proportional to 269,794.81, 404,597.20 and 89,831.37 is: 134,715.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,794.81 : 404,597.20 = 89,831.37 : x
  2. Step 2: Convert to fraction form
    269,794.81/404,597.20 = 89,831.37/x
  3. Step 3: Cross multiply
    269,794.81x = 404,597.20 × 89,831.37
  4. Step 4: Simplify right side
    269,794.81x = 36,345,520,774.16
  5. Step 5: Solve for x
    x = 36,345,520,774.16/269,794.81
  6. Step 6: Final answer
    x = 134,715.42

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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.