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Finding the Fourth Proportional to 197,331.84, 295,860.46 and 84,978.36

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Solution

The fourth proportional to 197,331.84, 295,860.46 and 84,978.36 is: 127,408.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,331.84 : 295,860.46 = 84,978.36 : x
  2. Step 2: Convert to fraction form
    197,331.84/295,860.46 = 84,978.36/x
  3. Step 3: Cross multiply
    197,331.84x = 295,860.46 × 84,978.36
  4. Step 4: Simplify right side
    197,331.84x = 25,141,736,679.65
  5. Step 5: Solve for x
    x = 25,141,736,679.65/197,331.84
  6. Step 6: Final answer
    x = 127,408.41

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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.