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Finding the Fourth Proportional to 245,640.20, 368,244.30 and 166,497.80

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Solution

The fourth proportional to 245,640.20, 368,244.30 and 166,497.80 is: 249,600.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,640.20 : 368,244.30 = 166,497.80 : x
  2. Step 2: Convert to fraction form
    245,640.20/368,244.30 = 166,497.80/x
  3. Step 3: Cross multiply
    245,640.20x = 368,244.30 × 166,497.80
  4. Step 4: Simplify right side
    245,640.20x = 61,311,865,812.54
  5. Step 5: Solve for x
    x = 61,311,865,812.54/245,640.20
  6. Step 6: Final answer
    x = 249,600.29

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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.