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Finding the Fourth Proportional to 238,847.21, 329,756.42 and 164,383.98

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Solution

The fourth proportional to 238,847.21, 329,756.42 and 164,383.98 is: 226,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,847.21 : 329,756.42 = 164,383.98 : x
  2. Step 2: Convert to fraction form
    238,847.21/329,756.42 = 164,383.98/x
  3. Step 3: Cross multiply
    238,847.21x = 329,756.42 × 164,383.98
  4. Step 4: Simplify right side
    238,847.21x = 54,206,673,161.11
  5. Step 5: Solve for x
    x = 54,206,673,161.11/238,847.21
  6. Step 6: Final answer
    x = 226,951.25

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1.5x scale

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.