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Finding the Fourth Proportional to 104,011.08, 155,918.22 and 64,054.64

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Solution

The fourth proportional to 104,011.08, 155,918.22 and 64,054.64 is: 96,021.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,011.08 : 155,918.22 = 64,054.64 : x
  2. Step 2: Convert to fraction form
    104,011.08/155,918.22 = 64,054.64/x
  3. Step 3: Cross multiply
    104,011.08x = 155,918.22 × 64,054.64
  4. Step 4: Simplify right side
    104,011.08x = 9,987,285,451.54
  5. Step 5: Solve for x
    x = 9,987,285,451.54/104,011.08
  6. Step 6: Final answer
    x = 96,021.36

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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.