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Finding the Fourth Proportional to 164,437.80, 246,656.70 and 111,293.70

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Solution

The fourth proportional to 164,437.80, 246,656.70 and 111,293.70 is: 166,940.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,437.80 : 246,656.70 = 111,293.70 : x
  2. Step 2: Convert to fraction form
    164,437.80/246,656.70 = 111,293.70/x
  3. Step 3: Cross multiply
    164,437.80x = 246,656.70 × 111,293.70
  4. Step 4: Simplify right side
    164,437.80x = 27,451,336,772.79
  5. Step 5: Solve for x
    x = 27,451,336,772.79/164,437.80
  6. Step 6: Final answer
    x = 166,940.55

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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.