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Finding the Fourth Proportional to 227,302.87, 340,942.02 and 69,531.34

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Solution

The fourth proportional to 227,302.87, 340,942.02 and 69,531.34 is: 104,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,302.87 : 340,942.02 = 69,531.34 : x
  2. Step 2: Convert to fraction form
    227,302.87/340,942.02 = 69,531.34/x
  3. Step 3: Cross multiply
    227,302.87x = 340,942.02 × 69,531.34
  4. Step 4: Simplify right side
    227,302.87x = 23,706,153,808.20
  5. Step 5: Solve for x
    x = 23,706,153,808.20/227,302.87
  6. Step 6: Final answer
    x = 104,293.25

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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.