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Finding the Fourth Proportional to 73,893.60, 110,738.24 and 64,008.36

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Solution

The fourth proportional to 73,893.60, 110,738.24 and 64,008.36 is: 95,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,893.60 : 110,738.24 = 64,008.36 : x
  2. Step 2: Convert to fraction form
    73,893.60/110,738.24 = 64,008.36/x
  3. Step 3: Cross multiply
    73,893.60x = 110,738.24 × 64,008.36
  4. Step 4: Simplify right side
    73,893.60x = 7,088,173,131.69
  5. Step 5: Solve for x
    x = 7,088,173,131.69/73,893.60
  6. Step 6: Final answer
    x = 95,924.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.