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Finding the Fourth Proportional to 203,224.26, 280,449.43 and 112,586.11

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Solution

The fourth proportional to 203,224.26, 280,449.43 and 112,586.11 is: 155,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,224.26 : 280,449.43 = 112,586.11 : x
  2. Step 2: Convert to fraction form
    203,224.26/280,449.43 = 112,586.11/x
  3. Step 3: Cross multiply
    203,224.26x = 280,449.43 × 112,586.11
  4. Step 4: Simplify right side
    203,224.26x = 31,574,710,375.42
  5. Step 5: Solve for x
    x = 31,574,710,375.42/203,224.26
  6. Step 6: Final answer
    x = 155,368.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.