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Finding the Fourth Proportional to 133,745.54, 200,476.90 and 49,451.57

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Solution

The fourth proportional to 133,745.54, 200,476.90 and 49,451.57 is: 74,125.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,745.54 : 200,476.90 = 49,451.57 : x
  2. Step 2: Convert to fraction form
    133,745.54/200,476.90 = 49,451.57/x
  3. Step 3: Cross multiply
    133,745.54x = 200,476.90 × 49,451.57
  4. Step 4: Simplify right side
    133,745.54x = 9,913,896,327.72
  5. Step 5: Solve for x
    x = 9,913,896,327.72/133,745.54
  6. Step 6: Final answer
    x = 74,125.06

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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.