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Finding the Fourth Proportional to 194,093.28, 291,138.28 and 53,851.92

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Solution

The fourth proportional to 194,093.28, 291,138.28 and 53,851.92 is: 80,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,093.28 : 291,138.28 = 53,851.92 : x
  2. Step 2: Convert to fraction form
    194,093.28/291,138.28 = 53,851.92/x
  3. Step 3: Cross multiply
    194,093.28x = 291,138.28 × 53,851.92
  4. Step 4: Simplify right side
    194,093.28x = 15,678,355,363.50
  5. Step 5: Solve for x
    x = 15,678,355,363.50/194,093.28
  6. Step 6: Final answer
    x = 80,777.42

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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.