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Finding the Fourth Proportional to 109,906.80, 164,665.80 and 94,354.80

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Solution

The fourth proportional to 109,906.80, 164,665.80 and 94,354.80 is: 141,365.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,906.80 : 164,665.80 = 94,354.80 : x
  2. Step 2: Convert to fraction form
    109,906.80/164,665.80 = 94,354.80/x
  3. Step 3: Cross multiply
    109,906.80x = 164,665.80 × 94,354.80
  4. Step 4: Simplify right side
    109,906.80x = 15,537,008,625.84
  5. Step 5: Solve for x
    x = 15,537,008,625.84/109,906.80
  6. Step 6: Final answer
    x = 141,365.31

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1.5x scale

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.