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Finding the Fourth Proportional to 203,391.34, 280,662.40 and 116,176.04

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Solution

The fourth proportional to 203,391.34, 280,662.40 and 116,176.04 is: 160,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,391.34 : 280,662.40 = 116,176.04 : x
  2. Step 2: Convert to fraction form
    203,391.34/280,662.40 = 116,176.04/x
  3. Step 3: Cross multiply
    203,391.34x = 280,662.40 × 116,176.04
  4. Step 4: Simplify right side
    203,391.34x = 32,606,246,003.29
  5. Step 5: Solve for x
    x = 32,606,246,003.29/203,391.34
  6. Step 6: Final answer
    x = 160,312.86

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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.