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Finding the Fourth Proportional to 254,902.37, 351,665.71 and 145,948.48

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Solution

The fourth proportional to 254,902.37, 351,665.71 and 145,948.48 is: 201,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,902.37 : 351,665.71 = 145,948.48 : x
  2. Step 2: Convert to fraction form
    254,902.37/351,665.71 = 145,948.48/x
  3. Step 3: Cross multiply
    254,902.37x = 351,665.71 × 145,948.48
  4. Step 4: Simplify right side
    254,902.37x = 51,325,074,598.59
  5. Step 5: Solve for x
    x = 51,325,074,598.59/254,902.37
  6. Step 6: Final answer
    x = 201,351.90

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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.