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Finding the Fourth Proportional to 226,871.80, 340,307.70 and 147,556.60

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Solution

The fourth proportional to 226,871.80, 340,307.70 and 147,556.60 is: 221,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,871.80 : 340,307.70 = 147,556.60 : x
  2. Step 2: Convert to fraction form
    226,871.80/340,307.70 = 147,556.60/x
  3. Step 3: Cross multiply
    226,871.80x = 340,307.70 × 147,556.60
  4. Step 4: Simplify right side
    226,871.80x = 50,214,647,165.82
  5. Step 5: Solve for x
    x = 50,214,647,165.82/226,871.80
  6. Step 6: Final answer
    x = 221,334.90

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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.