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Finding the Fourth Proportional to 133,761.78, 200,642.67 and 33,929.48

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Solution

The fourth proportional to 133,761.78, 200,642.67 and 33,929.48 is: 50,894.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,761.78 : 200,642.67 = 33,929.48 : x
  2. Step 2: Convert to fraction form
    133,761.78/200,642.67 = 33,929.48/x
  3. Step 3: Cross multiply
    133,761.78x = 200,642.67 × 33,929.48
  4. Step 4: Simplify right side
    133,761.78x = 6,807,701,960.52
  5. Step 5: Solve for x
    x = 6,807,701,960.52/133,761.78
  6. Step 6: Final answer
    x = 50,894.22

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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.