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Finding the Fourth Proportional to 144,846.80, 217,270.20 and 51,340.40

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Solution

The fourth proportional to 144,846.80, 217,270.20 and 51,340.40 is: 77,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,846.80 : 217,270.20 = 51,340.40 : x
  2. Step 2: Convert to fraction form
    144,846.80/217,270.20 = 51,340.40/x
  3. Step 3: Cross multiply
    144,846.80x = 217,270.20 × 51,340.40
  4. Step 4: Simplify right side
    144,846.80x = 11,154,738,976.08
  5. Step 5: Solve for x
    x = 11,154,738,976.08/144,846.80
  6. Step 6: Final answer
    x = 77,010.60

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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.