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Finding the Fourth Proportional to 73,690.92, 101,700.90 and 43,485.48

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Solution

The fourth proportional to 73,690.92, 101,700.90 and 43,485.48 is: 60,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,690.92 : 101,700.90 = 43,485.48 : x
  2. Step 2: Convert to fraction form
    73,690.92/101,700.90 = 43,485.48/x
  3. Step 3: Cross multiply
    73,690.92x = 101,700.90 × 43,485.48
  4. Step 4: Simplify right side
    73,690.92x = 4,422,512,452.93
  5. Step 5: Solve for x
    x = 4,422,512,452.93/73,690.92
  6. Step 6: Final answer
    x = 60,014.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.