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Finding the Fourth Proportional to 73,004.86, 100,737.54 and 42,783.26

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Solution

The fourth proportional to 73,004.86, 100,737.54 and 42,783.26 is: 59,035.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,004.86 : 100,737.54 = 42,783.26 : x
  2. Step 2: Convert to fraction form
    73,004.86/100,737.54 = 42,783.26/x
  3. Step 3: Cross multiply
    73,004.86x = 100,737.54 × 42,783.26
  4. Step 4: Simplify right side
    73,004.86x = 4,309,880,365.58
  5. Step 5: Solve for x
    x = 4,309,880,365.58/73,004.86
  6. Step 6: Final answer
    x = 59,035.53

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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.