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Finding the Fourth Proportional to 206,361.19, 284,673.62 and 134,783.11

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Solution

The fourth proportional to 206,361.19, 284,673.62 and 134,783.11 is: 185,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,361.19 : 284,673.62 = 134,783.11 : x
  2. Step 2: Convert to fraction form
    206,361.19/284,673.62 = 134,783.11/x
  3. Step 3: Cross multiply
    206,361.19x = 284,673.62 × 134,783.11
  4. Step 4: Simplify right side
    206,361.19x = 38,369,195,838.56
  5. Step 5: Solve for x
    x = 38,369,195,838.56/206,361.19
  6. Step 6: Final answer
    x = 185,932.23

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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.