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Finding the Fourth Proportional to 133,796.19, 200,553.80 and 45,018.88

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Solution

The fourth proportional to 133,796.19, 200,553.80 and 45,018.88 is: 67,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,796.19 : 200,553.80 = 45,018.88 : x
  2. Step 2: Convert to fraction form
    133,796.19/200,553.80 = 45,018.88/x
  3. Step 3: Cross multiply
    133,796.19x = 200,553.80 × 45,018.88
  4. Step 4: Simplify right side
    133,796.19x = 9,028,707,455.74
  5. Step 5: Solve for x
    x = 9,028,707,455.74/133,796.19
  6. Step 6: Final answer
    x = 67,481.05

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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.