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Finding the Fourth Proportional to 226,520.30, 340,042.80 and 121,544.30

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Solution

The fourth proportional to 226,520.30, 340,042.80 and 121,544.30 is: 182,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,520.30 : 340,042.80 = 121,544.30 : x
  2. Step 2: Convert to fraction form
    226,520.30/340,042.80 = 121,544.30/x
  3. Step 3: Cross multiply
    226,520.30x = 340,042.80 × 121,544.30
  4. Step 4: Simplify right side
    226,520.30x = 41,330,264,096.04
  5. Step 5: Solve for x
    x = 41,330,264,096.04/226,520.30
  6. Step 6: Final answer
    x = 182,457.22

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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.