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Finding the Fourth Proportional to 176,827.89, 265,093.08 and 76,912.84

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Solution

The fourth proportional to 176,827.89, 265,093.08 and 76,912.84 is: 115,304.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,827.89 : 265,093.08 = 76,912.84 : x
  2. Step 2: Convert to fraction form
    176,827.89/265,093.08 = 76,912.84/x
  3. Step 3: Cross multiply
    176,827.89x = 265,093.08 × 76,912.84
  4. Step 4: Simplify right side
    176,827.89x = 20,389,061,690.09
  5. Step 5: Solve for x
    x = 20,389,061,690.09/176,827.89
  6. Step 6: Final answer
    x = 115,304.56

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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.