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Finding the Fourth Proportional to 194,807.64, 268,831.92 and 108,767.94

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Solution

The fourth proportional to 194,807.64, 268,831.92 and 108,767.94 is: 150,098.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,807.64 : 268,831.92 = 108,767.94 : x
  2. Step 2: Convert to fraction form
    194,807.64/268,831.92 = 108,767.94/x
  3. Step 3: Cross multiply
    194,807.64x = 268,831.92 × 108,767.94
  4. Step 4: Simplify right side
    194,807.64x = 29,240,294,144.64
  5. Step 5: Solve for x
    x = 29,240,294,144.64/194,807.64
  6. Step 6: Final answer
    x = 150,098.29

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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.