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Finding the Fourth Proportional to 107,325.68, 161,015.69 and 75,797.33

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Solution

The fourth proportional to 107,325.68, 161,015.69 and 75,797.33 is: 113,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,325.68 : 161,015.69 = 75,797.33 : x
  2. Step 2: Convert to fraction form
    107,325.68/161,015.69 = 75,797.33/x
  3. Step 3: Cross multiply
    107,325.68x = 161,015.69 × 75,797.33
  4. Step 4: Simplify right side
    107,325.68x = 12,204,558,774.52
  5. Step 5: Solve for x
    x = 12,204,558,774.52/107,325.68
  6. Step 6: Final answer
    x = 113,715.18

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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.