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Finding the Fourth Proportional to 73,608.68, 101,580.47 and 41,778.11

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Solution

The fourth proportional to 73,608.68, 101,580.47 and 41,778.11 is: 57,654.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,608.68 : 101,580.47 = 41,778.11 : x
  2. Step 2: Convert to fraction form
    73,608.68/101,580.47 = 41,778.11/x
  3. Step 3: Cross multiply
    73,608.68x = 101,580.47 × 41,778.11
  4. Step 4: Simplify right side
    73,608.68x = 4,243,839,332.72
  5. Step 5: Solve for x
    x = 4,243,839,332.72/73,608.68
  6. Step 6: Final answer
    x = 57,654.06

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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.