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Finding the Fourth Proportional to 186,067.40, 279,101.10 and 184,512.20

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Solution

The fourth proportional to 186,067.40, 279,101.10 and 184,512.20 is: 276,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,067.40 : 279,101.10 = 184,512.20 : x
  2. Step 2: Convert to fraction form
    186,067.40/279,101.10 = 184,512.20/x
  3. Step 3: Cross multiply
    186,067.40x = 279,101.10 × 184,512.20
  4. Step 4: Simplify right side
    186,067.40x = 51,497,557,983.42
  5. Step 5: Solve for x
    x = 51,497,557,983.42/186,067.40
  6. Step 6: Final answer
    x = 276,768.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.