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Finding the Fourth Proportional to 133,759.54, 200,669.28 and 40,272.58

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Solution

The fourth proportional to 133,759.54, 200,669.28 and 40,272.58 is: 60,417.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,759.54 : 200,669.28 = 40,272.58 : x
  2. Step 2: Convert to fraction form
    133,759.54/200,669.28 = 40,272.58/x
  3. Step 3: Cross multiply
    133,759.54x = 200,669.28 × 40,272.58
  4. Step 4: Simplify right side
    133,759.54x = 8,081,469,632.34
  5. Step 5: Solve for x
    x = 8,081,469,632.34/133,759.54
  6. Step 6: Final answer
    x = 60,417.89

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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.