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Finding the Fourth Proportional to 109,477.24, 150,855.42 and 75,496.12

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Solution

The fourth proportional to 109,477.24, 150,855.42 and 75,496.12 is: 104,030.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,477.24 : 150,855.42 = 75,496.12 : x
  2. Step 2: Convert to fraction form
    109,477.24/150,855.42 = 75,496.12/x
  3. Step 3: Cross multiply
    109,477.24x = 150,855.42 × 75,496.12
  4. Step 4: Simplify right side
    109,477.24x = 11,388,998,890.97
  5. Step 5: Solve for x
    x = 11,388,998,890.97/109,477.24
  6. Step 6: Final answer
    x = 104,030.75

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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.