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Finding the Fourth Proportional to 270,308.53, 373,052.96 and 149,458.96

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Solution

The fourth proportional to 270,308.53, 373,052.96 and 149,458.96 is: 206,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,308.53 : 373,052.96 = 149,458.96 : x
  2. Step 2: Convert to fraction form
    270,308.53/373,052.96 = 149,458.96/x
  3. Step 3: Cross multiply
    270,308.53x = 373,052.96 × 149,458.96
  4. Step 4: Simplify right side
    270,308.53x = 55,756,107,426.52
  5. Step 5: Solve for x
    x = 55,756,107,426.52/270,308.53
  6. Step 6: Final answer
    x = 206,268.40

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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.