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Finding the Fourth Proportional to 270,709.36, 373,574.38 and 149,848.04

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Solution

The fourth proportional to 270,709.36, 373,574.38 and 149,848.04 is: 206,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,709.36 : 373,574.38 = 149,848.04 : x
  2. Step 2: Convert to fraction form
    270,709.36/373,574.38 = 149,848.04/x
  3. Step 3: Cross multiply
    270,709.36x = 373,574.38 × 149,848.04
  4. Step 4: Simplify right side
    270,709.36x = 55,979,388,637.22
  5. Step 5: Solve for x
    x = 55,979,388,637.22/270,709.36
  6. Step 6: Final answer
    x = 206,787.78

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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.