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Finding the Fourth Proportional to 180,356.28, 248,896.28 and 108,740.90

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Solution

The fourth proportional to 180,356.28, 248,896.28 and 108,740.90 is: 150,065.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,356.28 : 248,896.28 = 108,740.90 : x
  2. Step 2: Convert to fraction form
    180,356.28/248,896.28 = 108,740.90/x
  3. Step 3: Cross multiply
    180,356.28x = 248,896.28 × 108,740.90
  4. Step 4: Simplify right side
    180,356.28x = 27,065,205,493.85
  5. Step 5: Solve for x
    x = 27,065,205,493.85/180,356.28
  6. Step 6: Final answer
    x = 150,065.22

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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.