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Finding the Fourth Proportional to 133,438.97, 200,109.92 and 44,671.38

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Solution

The fourth proportional to 133,438.97, 200,109.92 and 44,671.38 is: 66,990.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,438.97 : 200,109.92 = 44,671.38 : x
  2. Step 2: Convert to fraction form
    133,438.97/200,109.92 = 44,671.38/x
  3. Step 3: Cross multiply
    133,438.97x = 200,109.92 × 44,671.38
  4. Step 4: Simplify right side
    133,438.97x = 8,939,186,054.73
  5. Step 5: Solve for x
    x = 8,939,186,054.73/133,438.97
  6. Step 6: Final answer
    x = 66,990.82

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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.