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Finding the Fourth Proportional to 73,159.83, 100,968.75 and 41,330.77

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Solution

The fourth proportional to 73,159.83, 100,968.75 and 41,330.77 is: 57,041.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,159.83 : 100,968.75 = 41,330.77 : x
  2. Step 2: Convert to fraction form
    73,159.83/100,968.75 = 41,330.77/x
  3. Step 3: Cross multiply
    73,159.83x = 100,968.75 × 41,330.77
  4. Step 4: Simplify right side
    73,159.83x = 4,173,116,183.44
  5. Step 5: Solve for x
    x = 4,173,116,183.44/73,159.83
  6. Step 6: Final answer
    x = 57,041.09

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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.