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Finding the Fourth Proportional to 226,980.56, 340,493.88 and 86,857.04

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Solution

The fourth proportional to 226,980.56, 340,493.88 and 86,857.04 is: 130,294.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,980.56 : 340,493.88 = 86,857.04 : x
  2. Step 2: Convert to fraction form
    226,980.56/340,493.88 = 86,857.04/x
  3. Step 3: Cross multiply
    226,980.56x = 340,493.88 × 86,857.04
  4. Step 4: Simplify right side
    226,980.56x = 29,574,290,554.92
  5. Step 5: Solve for x
    x = 29,574,290,554.92/226,980.56
  6. Step 6: Final answer
    x = 130,294.38

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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.