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Finding the Fourth Proportional to 133,840.67, 200,790.70 and 40,339.67

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Solution

The fourth proportional to 133,840.67, 200,790.70 and 40,339.67 is: 60,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,840.67 : 200,790.70 = 40,339.67 : x
  2. Step 2: Convert to fraction form
    133,840.67/200,790.70 = 40,339.67/x
  3. Step 3: Cross multiply
    133,840.67x = 200,790.70 × 40,339.67
  4. Step 4: Simplify right side
    133,840.67x = 8,099,829,472.27
  5. Step 5: Solve for x
    x = 8,099,829,472.27/133,840.67
  6. Step 6: Final answer
    x = 60,518.45

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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.