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Finding the Fourth Proportional to 250,197.64, 375,493.69 and 92,471.20

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Solution

The fourth proportional to 250,197.64, 375,493.69 and 92,471.20 is: 138,779.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,197.64 : 375,493.69 = 92,471.20 : x
  2. Step 2: Convert to fraction form
    250,197.64/375,493.69 = 92,471.20/x
  3. Step 3: Cross multiply
    250,197.64x = 375,493.69 × 92,471.20
  4. Step 4: Simplify right side
    250,197.64x = 34,722,351,283.58
  5. Step 5: Solve for x
    x = 34,722,351,283.58/250,197.64
  6. Step 6: Final answer
    x = 138,779.69

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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.