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Finding the Fourth Proportional to 248,845.80, 373,268.42 and 61,857.30

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Solution

The fourth proportional to 248,845.80, 373,268.42 and 61,857.30 is: 92,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,845.80 : 373,268.42 = 61,857.30 : x
  2. Step 2: Convert to fraction form
    248,845.80/373,268.42 = 61,857.30/x
  3. Step 3: Cross multiply
    248,845.80x = 373,268.42 × 61,857.30
  4. Step 4: Simplify right side
    248,845.80x = 23,089,376,636.47
  5. Step 5: Solve for x
    x = 23,089,376,636.47/248,845.80
  6. Step 6: Final answer
    x = 92,785.88

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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.