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Finding the Fourth Proportional to 227,042.19, 340,563.69 and 69,269.58

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Solution

The fourth proportional to 227,042.19, 340,563.69 and 69,269.58 is: 103,904.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,042.19 : 340,563.69 = 69,269.58 : x
  2. Step 2: Convert to fraction form
    227,042.19/340,563.69 = 69,269.58/x
  3. Step 3: Cross multiply
    227,042.19x = 340,563.69 × 69,269.58
  4. Step 4: Simplify right side
    227,042.19x = 23,590,703,769.55
  5. Step 5: Solve for x
    x = 23,590,703,769.55/227,042.19
  6. Step 6: Final answer
    x = 103,904.49

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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.