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Finding the Fourth Proportional to 153,846.20, 230,769.30 and 147,941.30

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Solution

The fourth proportional to 153,846.20, 230,769.30 and 147,941.30 is: 221,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,846.20 : 230,769.30 = 147,941.30 : x
  2. Step 2: Convert to fraction form
    153,846.20/230,769.30 = 147,941.30/x
  3. Step 3: Cross multiply
    153,846.20x = 230,769.30 × 147,941.30
  4. Step 4: Simplify right side
    153,846.20x = 34,140,310,242.09
  5. Step 5: Solve for x
    x = 34,140,310,242.09/153,846.20
  6. Step 6: Final answer
    x = 221,911.95

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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.