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Finding the Fourth Proportional to 133,774.70, 200,662.05 and 54,848.30

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Solution

The fourth proportional to 133,774.70, 200,662.05 and 54,848.30 is: 82,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,774.70 : 200,662.05 = 54,848.30 : x
  2. Step 2: Convert to fraction form
    133,774.70/200,662.05 = 54,848.30/x
  3. Step 3: Cross multiply
    133,774.70x = 200,662.05 × 54,848.30
  4. Step 4: Simplify right side
    133,774.70x = 11,005,972,317.02
  5. Step 5: Solve for x
    x = 11,005,972,317.02/133,774.70
  6. Step 6: Final answer
    x = 82,272.45

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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.