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Finding the Fourth Proportional to 254,903.37, 351,667.09 and 145,949.48

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Solution

The fourth proportional to 254,903.37, 351,667.09 and 145,949.48 is: 201,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,903.37 : 351,667.09 = 145,949.48 : x
  2. Step 2: Convert to fraction form
    254,903.37/351,667.09 = 145,949.48/x
  3. Step 3: Cross multiply
    254,903.37x = 351,667.09 × 145,949.48
  4. Step 4: Simplify right side
    254,903.37x = 51,325,628,918.61
  5. Step 5: Solve for x
    x = 51,325,628,918.61/254,903.37
  6. Step 6: Final answer
    x = 201,353.28

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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.