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Finding the Fourth Proportional to 133,797.38, 200,670.49 and 67,219.06

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Solution

The fourth proportional to 133,797.38, 200,670.49 and 67,219.06 is: 100,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,797.38 : 200,670.49 = 67,219.06 : x
  2. Step 2: Convert to fraction form
    133,797.38/200,670.49 = 67,219.06/x
  3. Step 3: Cross multiply
    133,797.38x = 200,670.49 × 67,219.06
  4. Step 4: Simplify right side
    133,797.38x = 13,488,881,707.54
  5. Step 5: Solve for x
    x = 13,488,881,707.54/133,797.38
  6. Step 6: Final answer
    x = 100,815.74

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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.