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Finding the Fourth Proportional to 73,713.78, 110,613.52 and 31,016.09

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Solution

The fourth proportional to 73,713.78, 110,613.52 and 31,016.09 is: 46,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,713.78 : 110,613.52 = 31,016.09 : x
  2. Step 2: Convert to fraction form
    73,713.78/110,613.52 = 31,016.09/x
  3. Step 3: Cross multiply
    73,713.78x = 110,613.52 × 31,016.09
  4. Step 4: Simplify right side
    73,713.78x = 3,430,798,377.24
  5. Step 5: Solve for x
    x = 3,430,798,377.24/73,713.78
  6. Step 6: Final answer
    x = 46,542.16

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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.