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Finding the Fourth Proportional to 226,888.66, 340,543.50 and 114,647.70

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Solution

The fourth proportional to 226,888.66, 340,543.50 and 114,647.70 is: 172,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,888.66 : 340,543.50 = 114,647.70 : x
  2. Step 2: Convert to fraction form
    226,888.66/340,543.50 = 114,647.70/x
  3. Step 3: Cross multiply
    226,888.66x = 340,543.50 × 114,647.70
  4. Step 4: Simplify right side
    226,888.66x = 39,042,526,748.99
  5. Step 5: Solve for x
    x = 39,042,526,748.99/226,888.66
  6. Step 6: Final answer
    x = 172,077.91

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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.