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Finding the Fourth Proportional to 101,067.70, 151,601.55 and 30,946.90

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Solution

The fourth proportional to 101,067.70, 151,601.55 and 30,946.90 is: 46,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,067.70 : 151,601.55 = 30,946.90 : x
  2. Step 2: Convert to fraction form
    101,067.70/151,601.55 = 30,946.90/x
  3. Step 3: Cross multiply
    101,067.70x = 151,601.55 × 30,946.90
  4. Step 4: Simplify right side
    101,067.70x = 4,691,598,007.70
  5. Step 5: Solve for x
    x = 4,691,598,007.70/101,067.70
  6. Step 6: Final answer
    x = 46,420.35

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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.