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Finding the Fourth Proportional to 133,089.96, 199,809.90 and 122,086.92

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Solution

The fourth proportional to 133,089.96, 199,809.90 and 122,086.92 is: 183,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,089.96 : 199,809.90 = 122,086.92 : x
  2. Step 2: Convert to fraction form
    133,089.96/199,809.90 = 122,086.92/x
  3. Step 3: Cross multiply
    133,089.96x = 199,809.90 × 122,086.92
  4. Step 4: Simplify right side
    133,089.96x = 24,394,175,276.51
  5. Step 5: Solve for x
    x = 24,394,175,276.51/133,089.96
  6. Step 6: Final answer
    x = 183,290.88

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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.