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Finding the Fourth Proportional to 223,485.68, 308,205.91 and 166,268.29

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Solution

The fourth proportional to 223,485.68, 308,205.91 and 166,268.29 is: 229,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,485.68 : 308,205.91 = 166,268.29 : x
  2. Step 2: Convert to fraction form
    223,485.68/308,205.91 = 166,268.29/x
  3. Step 3: Cross multiply
    223,485.68x = 308,205.91 × 166,268.29
  4. Step 4: Simplify right side
    223,485.68x = 51,244,868,437.41
  5. Step 5: Solve for x
    x = 51,244,868,437.41/223,485.68
  6. Step 6: Final answer
    x = 229,298.22

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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.