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Finding the Fourth Proportional to 168,906.21, 232,989.01 and 111,546.06

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Solution

The fourth proportional to 168,906.21, 232,989.01 and 111,546.06 is: 153,866.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,906.21 : 232,989.01 = 111,546.06 : x
  2. Step 2: Convert to fraction form
    168,906.21/232,989.01 = 111,546.06/x
  3. Step 3: Cross multiply
    168,906.21x = 232,989.01 × 111,546.06
  4. Step 4: Simplify right side
    168,906.21x = 25,989,006,088.80
  5. Step 5: Solve for x
    x = 25,989,006,088.80/168,906.21
  6. Step 6: Final answer
    x = 153,866.49

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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.