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Finding the Fourth Proportional to 270,709.71, 373,574.87 and 149,848.40

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Solution

The fourth proportional to 270,709.71, 373,574.87 and 149,848.40 is: 206,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,709.71 : 373,574.87 = 149,848.40 : x
  2. Step 2: Convert to fraction form
    270,709.71/373,574.87 = 149,848.40/x
  3. Step 3: Cross multiply
    270,709.71x = 373,574.87 × 149,848.40
  4. Step 4: Simplify right side
    270,709.71x = 55,979,595,194.98
  5. Step 5: Solve for x
    x = 55,979,595,194.98/270,709.71
  6. Step 6: Final answer
    x = 206,788.28

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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.