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Finding the Fourth Proportional to 225,665.04, 338,441.94 and 92,583.12

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Solution

The fourth proportional to 225,665.04, 338,441.94 and 92,583.12 is: 138,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,665.04 : 338,441.94 = 92,583.12 : x
  2. Step 2: Convert to fraction form
    225,665.04/338,441.94 = 92,583.12/x
  3. Step 3: Cross multiply
    225,665.04x = 338,441.94 × 92,583.12
  4. Step 4: Simplify right side
    225,665.04x = 31,334,010,744.05
  5. Step 5: Solve for x
    x = 31,334,010,744.05/225,665.04
  6. Step 6: Final answer
    x = 138,851.86

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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.