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Finding the Fourth Proportional to 73,130.27, 100,919.77 and 41,301.20

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Solution

The fourth proportional to 73,130.27, 100,919.77 and 41,301.20 is: 56,995.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,130.27 : 100,919.77 = 41,301.20 : x
  2. Step 2: Convert to fraction form
    73,130.27/100,919.77 = 41,301.20/x
  3. Step 3: Cross multiply
    73,130.27x = 100,919.77 × 41,301.20
  4. Step 4: Simplify right side
    73,130.27x = 4,168,107,753.77
  5. Step 5: Solve for x
    x = 4,168,107,753.77/73,130.27
  6. Step 6: Final answer
    x = 56,995.66

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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.