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Finding the Fourth Proportional to 227,388.72, 341,085.24 and 87,114

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Solution

The fourth proportional to 227,388.72, 341,085.24 and 87,114 is: 130,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,388.72 : 341,085.24 = 87,114 : x
  2. Step 2: Convert to fraction form
    227,388.72/341,085.24 = 87,114/x
  3. Step 3: Cross multiply
    227,388.72x = 341,085.24 × 87,114
  4. Step 4: Simplify right side
    227,388.72x = 29,713,299,597.36
  5. Step 5: Solve for x
    x = 29,713,299,597.36/227,388.72
  6. Step 6: Final answer
    x = 130,671.83

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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.