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Finding the Fourth Proportional to 140,067.88, 210,103.64 and 46,573.63

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Solution

The fourth proportional to 140,067.88, 210,103.64 and 46,573.63 is: 69,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,067.88 : 210,103.64 = 46,573.63 : x
  2. Step 2: Convert to fraction form
    140,067.88/210,103.64 = 46,573.63/x
  3. Step 3: Cross multiply
    140,067.88x = 210,103.64 × 46,573.63
  4. Step 4: Simplify right side
    140,067.88x = 9,785,289,191.01
  5. Step 5: Solve for x
    x = 9,785,289,191.01/140,067.88
  6. Step 6: Final answer
    x = 69,861.05

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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.