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Finding the Fourth Proportional to 73,293.78, 101,056.77 and 61,943.25

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Solution

The fourth proportional to 73,293.78, 101,056.77 and 61,943.25 is: 85,406.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,293.78 : 101,056.77 = 61,943.25 : x
  2. Step 2: Convert to fraction form
    73,293.78/101,056.77 = 61,943.25/x
  3. Step 3: Cross multiply
    73,293.78x = 101,056.77 × 61,943.25
  4. Step 4: Simplify right side
    73,293.78x = 6,259,784,768.30
  5. Step 5: Solve for x
    x = 6,259,784,768.30/73,293.78
  6. Step 6: Final answer
    x = 85,406.77

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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.