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Finding the Fourth Proportional to 168,736, 232,860.54 and 93,289.36

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Solution

The fourth proportional to 168,736, 232,860.54 and 93,289.36 is: 128,742.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,736 : 232,860.54 = 93,289.36 : x
  2. Step 2: Convert to fraction form
    168,736/232,860.54 = 93,289.36/x
  3. Step 3: Cross multiply
    168,736x = 232,860.54 × 93,289.36
  4. Step 4: Simplify right side
    168,736x = 21,723,410,745.85
  5. Step 5: Solve for x
    x = 21,723,410,745.85/168,736
  6. Step 6: Final answer
    x = 128,742.00

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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.