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Finding the Fourth Proportional to 248,787.52, 373,239.60 and 82,575.52

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Solution

The fourth proportional to 248,787.52, 373,239.60 and 82,575.52 is: 123,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,787.52 : 373,239.60 = 82,575.52 : x
  2. Step 2: Convert to fraction form
    248,787.52/373,239.60 = 82,575.52/x
  3. Step 3: Cross multiply
    248,787.52x = 373,239.60 × 82,575.52
  4. Step 4: Simplify right side
    248,787.52x = 30,820,454,054.59
  5. Step 5: Solve for x
    x = 30,820,454,054.59/248,787.52
  6. Step 6: Final answer
    x = 123,882.64

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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.