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Finding the Fourth Proportional to 80,548.94, 111,197.94 and 50,351.06

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Solution

The fourth proportional to 80,548.94, 111,197.94 and 50,351.06 is: 69,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,548.94 : 111,197.94 = 50,351.06 : x
  2. Step 2: Convert to fraction form
    80,548.94/111,197.94 = 50,351.06/x
  3. Step 3: Cross multiply
    80,548.94x = 111,197.94 × 50,351.06
  4. Step 4: Simplify right side
    80,548.94x = 5,598,934,148.82
  5. Step 5: Solve for x
    x = 5,598,934,148.82/80,548.94
  6. Step 6: Final answer
    x = 69,509.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.