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Finding the Fourth Proportional to 251,302.56, 376,954.08 and 118,085.12

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Solution

The fourth proportional to 251,302.56, 376,954.08 and 118,085.12 is: 177,127.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,302.56 : 376,954.08 = 118,085.12 : x
  2. Step 2: Convert to fraction form
    251,302.56/376,954.08 = 118,085.12/x
  3. Step 3: Cross multiply
    251,302.56x = 376,954.08 × 118,085.12
  4. Step 4: Simplify right side
    251,302.56x = 44,512,667,771.29
  5. Step 5: Solve for x
    x = 44,512,667,771.29/251,302.56
  6. Step 6: Final answer
    x = 177,127.79

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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.