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Finding the Fourth Proportional to 164,440.80, 246,758.40 and 108,442.80

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Solution

The fourth proportional to 164,440.80, 246,758.40 and 108,442.80 is: 162,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,440.80 : 246,758.40 = 108,442.80 : x
  2. Step 2: Convert to fraction form
    164,440.80/246,758.40 = 108,442.80/x
  3. Step 3: Cross multiply
    164,440.80x = 246,758.40 × 108,442.80
  4. Step 4: Simplify right side
    164,440.80x = 26,759,171,819.52
  5. Step 5: Solve for x
    x = 26,759,171,819.52/164,440.80
  6. Step 6: Final answer
    x = 162,728.30

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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.