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Finding the Fourth Proportional to 223,396.66, 308,287.40 and 122,794.66

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Solution

The fourth proportional to 223,396.66, 308,287.40 and 122,794.66 is: 169,456.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,396.66 : 308,287.40 = 122,794.66 : x
  2. Step 2: Convert to fraction form
    223,396.66/308,287.40 = 122,794.66/x
  3. Step 3: Cross multiply
    223,396.66x = 308,287.40 × 122,794.66
  4. Step 4: Simplify right side
    223,396.66x = 37,856,046,465.28
  5. Step 5: Solve for x
    x = 37,856,046,465.28/223,396.66
  6. Step 6: Final answer
    x = 169,456.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.