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Finding the Fourth Proportional to 80,465.48, 110,969.70 and 50,253.56

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Solution

The fourth proportional to 80,465.48, 110,969.70 and 50,253.56 is: 69,304.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,465.48 : 110,969.70 = 50,253.56 : x
  2. Step 2: Convert to fraction form
    80,465.48/110,969.70 = 50,253.56/x
  3. Step 3: Cross multiply
    80,465.48x = 110,969.70 × 50,253.56
  4. Step 4: Simplify right side
    80,465.48x = 5,576,622,477.13
  5. Step 5: Solve for x
    x = 5,576,622,477.13/80,465.48
  6. Step 6: Final answer
    x = 69,304.53

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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.