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Finding the Fourth Proportional to 254,800.50, 351,629.02 and 140,083.92

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Solution

The fourth proportional to 254,800.50, 351,629.02 and 140,083.92 is: 193,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,800.50 : 351,629.02 = 140,083.92 : x
  2. Step 2: Convert to fraction form
    254,800.50/351,629.02 = 140,083.92/x
  3. Step 3: Cross multiply
    254,800.50x = 351,629.02 × 140,083.92
  4. Step 4: Simplify right side
    254,800.50x = 49,257,571,507.36
  5. Step 5: Solve for x
    x = 49,257,571,507.36/254,800.50
  6. Step 6: Final answer
    x = 193,318.19

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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.