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Finding the Fourth Proportional to 230,662.06, 318,321.52 and 133,858.45

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Solution

The fourth proportional to 230,662.06, 318,321.52 and 133,858.45 is: 184,729.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,662.06 : 318,321.52 = 133,858.45 : x
  2. Step 2: Convert to fraction form
    230,662.06/318,321.52 = 133,858.45/x
  3. Step 3: Cross multiply
    230,662.06x = 318,321.52 × 133,858.45
  4. Step 4: Simplify right side
    230,662.06x = 42,610,025,268.84
  5. Step 5: Solve for x
    x = 42,610,025,268.84/230,662.06
  6. Step 6: Final answer
    x = 184,729.23

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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.