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Finding the Fourth Proportional to 178,850.17, 268,502.88 and 115,933.54

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Solution

The fourth proportional to 178,850.17, 268,502.88 and 115,933.54 is: 174,047.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,850.17 : 268,502.88 = 115,933.54 : x
  2. Step 2: Convert to fraction form
    178,850.17/268,502.88 = 115,933.54/x
  3. Step 3: Cross multiply
    178,850.17x = 268,502.88 × 115,933.54
  4. Step 4: Simplify right side
    178,850.17x = 31,128,489,378.60
  5. Step 5: Solve for x
    x = 31,128,489,378.60/178,850.17
  6. Step 6: Final answer
    x = 174,047.86

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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.