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Finding the Fourth Proportional to 253,640.64, 350,015.46 and 144,751.02

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Solution

The fourth proportional to 253,640.64, 350,015.46 and 144,751.02 is: 199,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,640.64 : 350,015.46 = 144,751.02 : x
  2. Step 2: Convert to fraction form
    253,640.64/350,015.46 = 144,751.02/x
  3. Step 3: Cross multiply
    253,640.64x = 350,015.46 × 144,751.02
  4. Step 4: Simplify right side
    253,640.64x = 50,665,094,850.77
  5. Step 5: Solve for x
    x = 50,665,094,850.77/253,640.64
  6. Step 6: Final answer
    x = 199,751.49

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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.