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Finding the Fourth Proportional to 248,681.88, 343,170.27 and 141,251.58

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Solution

The fourth proportional to 248,681.88, 343,170.27 and 141,251.58 is: 194,921.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,681.88 : 343,170.27 = 141,251.58 : x
  2. Step 2: Convert to fraction form
    248,681.88/343,170.27 = 141,251.58/x
  3. Step 3: Cross multiply
    248,681.88x = 343,170.27 × 141,251.58
  4. Step 4: Simplify right side
    248,681.88x = 48,473,342,846.53
  5. Step 5: Solve for x
    x = 48,473,342,846.53/248,681.88
  6. Step 6: Final answer
    x = 194,921.09

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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.