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Finding the Fourth Proportional to 116,028.68, 160,119.54 and 68,282.12

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Solution

The fourth proportional to 116,028.68, 160,119.54 and 68,282.12 is: 94,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,028.68 : 160,119.54 = 68,282.12 : x
  2. Step 2: Convert to fraction form
    116,028.68/160,119.54 = 68,282.12/x
  3. Step 3: Cross multiply
    116,028.68x = 160,119.54 × 68,282.12
  4. Step 4: Simplify right side
    116,028.68x = 10,933,301,644.62
  5. Step 5: Solve for x
    x = 10,933,301,644.62/116,028.68
  6. Step 6: Final answer
    x = 94,229.30

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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.