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Finding the Fourth Proportional to 111,944.58, 167,916.48 and 45,384.55

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Solution

The fourth proportional to 111,944.58, 167,916.48 and 45,384.55 is: 68,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,944.58 : 167,916.48 = 45,384.55 : x
  2. Step 2: Convert to fraction form
    111,944.58/167,916.48 = 45,384.55/x
  3. Step 3: Cross multiply
    111,944.58x = 167,916.48 × 45,384.55
  4. Step 4: Simplify right side
    111,944.58x = 7,620,813,882.38
  5. Step 5: Solve for x
    x = 7,620,813,882.38/111,944.58
  6. Step 6: Final answer
    x = 68,076.67

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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.