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Finding the Fourth Proportional to 73,194.88, 101,003.64 and 40,487.91

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Solution

The fourth proportional to 73,194.88, 101,003.64 and 40,487.91 is: 55,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,194.88 : 101,003.64 = 40,487.91 : x
  2. Step 2: Convert to fraction form
    73,194.88/101,003.64 = 40,487.91/x
  3. Step 3: Cross multiply
    73,194.88x = 101,003.64 × 40,487.91
  4. Step 4: Simplify right side
    73,194.88x = 4,089,426,550.75
  5. Step 5: Solve for x
    x = 4,089,426,550.75/73,194.88
  6. Step 6: Final answer
    x = 55,870.39

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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.