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Finding the Fourth Proportional to 248,750.38, 343,284.70 and 141,338.60

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Solution

The fourth proportional to 248,750.38, 343,284.70 and 141,338.60 is: 195,052.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,750.38 : 343,284.70 = 141,338.60 : x
  2. Step 2: Convert to fraction form
    248,750.38/343,284.70 = 141,338.60/x
  3. Step 3: Cross multiply
    248,750.38x = 343,284.70 × 141,338.60
  4. Step 4: Simplify right side
    248,750.38x = 48,519,379,404.29
  5. Step 5: Solve for x
    x = 48,519,379,404.29/248,750.38
  6. Step 6: Final answer
    x = 195,052.49

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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.