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Finding the Fourth Proportional to 226,085.76, 339,287.40 and 93,087

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Solution

The fourth proportional to 226,085.76, 339,287.40 and 93,087 is: 139,695.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,085.76 : 339,287.40 = 93,087 : x
  2. Step 2: Convert to fraction form
    226,085.76/339,287.40 = 93,087/x
  3. Step 3: Cross multiply
    226,085.76x = 339,287.40 × 93,087
  4. Step 4: Simplify right side
    226,085.76x = 31,583,246,203.80
  5. Step 5: Solve for x
    x = 31,583,246,203.80/226,085.76
  6. Step 6: Final answer
    x = 139,695.87

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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.