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Finding the Fourth Proportional to 185,430.40, 277,951.20 and 73,067.20

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Solution

The fourth proportional to 185,430.40, 277,951.20 and 73,067.20 is: 109,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,430.40 : 277,951.20 = 73,067.20 : x
  2. Step 2: Convert to fraction form
    185,430.40/277,951.20 = 73,067.20/x
  3. Step 3: Cross multiply
    185,430.40x = 277,951.20 × 73,067.20
  4. Step 4: Simplify right side
    185,430.40x = 20,309,115,920.64
  5. Step 5: Solve for x
    x = 20,309,115,920.64/185,430.40
  6. Step 6: Final answer
    x = 109,524.20

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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.