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Finding the Fourth Proportional to 445,851.17, 668,787.02 and 108,894.62

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Solution

The fourth proportional to 445,851.17, 668,787.02 and 108,894.62 is: 163,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,851.17 : 668,787.02 = 108,894.62 : x
  2. Step 2: Convert to fraction form
    445,851.17/668,787.02 = 108,894.62/x
  3. Step 3: Cross multiply
    445,851.17x = 668,787.02 × 108,894.62
  4. Step 4: Simplify right side
    445,851.17x = 72,827,304,515.42
  5. Step 5: Solve for x
    x = 72,827,304,515.42/445,851.17
  6. Step 6: Final answer
    x = 163,344.43

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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.