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Finding the Fourth Proportional to 270,688.62, 373,540.76 and 149,830.14

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Solution

The fourth proportional to 270,688.62, 373,540.76 and 149,830.14 is: 206,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,688.62 : 373,540.76 = 149,830.14 : x
  2. Step 2: Convert to fraction form
    270,688.62/373,540.76 = 149,830.14/x
  3. Step 3: Cross multiply
    270,688.62x = 373,540.76 × 149,830.14
  4. Step 4: Simplify right side
    270,688.62x = 55,967,664,366.51
  5. Step 5: Solve for x
    x = 55,967,664,366.51/270,688.62
  6. Step 6: Final answer
    x = 206,760.32

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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.