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Finding the Fourth Proportional to 226,998.90, 313,108.47 and 141,968.34

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Solution

The fourth proportional to 226,998.90, 313,108.47 and 141,968.34 is: 195,822.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,998.90 : 313,108.47 = 141,968.34 : x
  2. Step 2: Convert to fraction form
    226,998.90/313,108.47 = 141,968.34/x
  3. Step 3: Cross multiply
    226,998.90x = 313,108.47 × 141,968.34
  4. Step 4: Simplify right side
    226,998.90x = 44,451,489,725.84
  5. Step 5: Solve for x
    x = 44,451,489,725.84/226,998.90
  6. Step 6: Final answer
    x = 195,822.49

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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.