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Finding the Fourth Proportional to 264,381.57, 364,711.41 and 168,787.80

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Solution

The fourth proportional to 264,381.57, 364,711.41 and 168,787.80 is: 232,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,381.57 : 364,711.41 = 168,787.80 : x
  2. Step 2: Convert to fraction form
    264,381.57/364,711.41 = 168,787.80/x
  3. Step 3: Cross multiply
    264,381.57x = 364,711.41 × 168,787.80
  4. Step 4: Simplify right side
    264,381.57x = 61,558,836,528.80
  5. Step 5: Solve for x
    x = 61,558,836,528.80/264,381.57
  6. Step 6: Final answer
    x = 232,840.88

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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.