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Finding the Fourth Proportional to 168,133.73, 232,021.37 and 91,653.53

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Solution

The fourth proportional to 168,133.73, 232,021.37 and 91,653.53 is: 126,480.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,133.73 : 232,021.37 = 91,653.53 : x
  2. Step 2: Convert to fraction form
    168,133.73/232,021.37 = 91,653.53/x
  3. Step 3: Cross multiply
    168,133.73x = 232,021.37 × 91,653.53
  4. Step 4: Simplify right side
    168,133.73x = 21,265,576,664.96
  5. Step 5: Solve for x
    x = 21,265,576,664.96/168,133.73
  6. Step 6: Final answer
    x = 126,480.14

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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.