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Finding the Fourth Proportional to 134,112, 200,861.82 and 64,040.52

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Solution

The fourth proportional to 134,112, 200,861.82 and 64,040.52 is: 95,914.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,112 : 200,861.82 = 64,040.52 : x
  2. Step 2: Convert to fraction form
    134,112/200,861.82 = 64,040.52/x
  3. Step 3: Cross multiply
    134,112x = 200,861.82 × 64,040.52
  4. Step 4: Simplify right side
    134,112x = 12,863,295,400.95
  5. Step 5: Solve for x
    x = 12,863,295,400.95/134,112
  6. Step 6: Final answer
    x = 95,914.57

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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.