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Finding the Fourth Proportional to 146,151.37, 201,679.37 and 82,480.51

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Solution

The fourth proportional to 146,151.37, 201,679.37 and 82,480.51 is: 113,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,151.37 : 201,679.37 = 82,480.51 : x
  2. Step 2: Convert to fraction form
    146,151.37/201,679.37 = 82,480.51/x
  3. Step 3: Cross multiply
    146,151.37x = 201,679.37 × 82,480.51
  4. Step 4: Simplify right side
    146,151.37x = 16,634,616,881.68
  5. Step 5: Solve for x
    x = 16,634,616,881.68/146,151.37
  6. Step 6: Final answer
    x = 113,817.73

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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.