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Finding the Fourth Proportional to 223,544.72, 308,619.24 and 148,195.28

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Solution

The fourth proportional to 223,544.72, 308,619.24 and 148,195.28 is: 204,594.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,544.72 : 308,619.24 = 148,195.28 : x
  2. Step 2: Convert to fraction form
    223,544.72/308,619.24 = 148,195.28/x
  3. Step 3: Cross multiply
    223,544.72x = 308,619.24 × 148,195.28
  4. Step 4: Simplify right side
    223,544.72x = 45,735,914,685.19
  5. Step 5: Solve for x
    x = 45,735,914,685.19/223,544.72
  6. Step 6: Final answer
    x = 204,594.03

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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.