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Finding the Fourth Proportional to 133,521.52, 200,277.04 and 33,680.40

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Solution

The fourth proportional to 133,521.52, 200,277.04 and 33,680.40 is: 50,519.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,521.52 : 200,277.04 = 33,680.40 : x
  2. Step 2: Convert to fraction form
    133,521.52/200,277.04 = 33,680.40/x
  3. Step 3: Cross multiply
    133,521.52x = 200,277.04 × 33,680.40
  4. Step 4: Simplify right side
    133,521.52x = 6,745,410,818.02
  5. Step 5: Solve for x
    x = 6,745,410,818.02/133,521.52
  6. Step 6: Final answer
    x = 50,519.28

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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.