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Finding the Fourth Proportional to 227,581.93, 341,471.31 and 87,307.75

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Solution

The fourth proportional to 227,581.93, 341,471.31 and 87,307.75 is: 130,999.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,581.93 : 341,471.31 = 87,307.75 : x
  2. Step 2: Convert to fraction form
    227,581.93/341,471.31 = 87,307.75/x
  3. Step 3: Cross multiply
    227,581.93x = 341,471.31 × 87,307.75
  4. Step 4: Simplify right side
    227,581.93x = 29,813,091,765.65
  5. Step 5: Solve for x
    x = 29,813,091,765.65/227,581.93
  6. Step 6: Final answer
    x = 130,999.38

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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.