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Finding the Fourth Proportional to 254,996.90, 351,907.61 and 147,546.14

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Solution

The fourth proportional to 254,996.90, 351,907.61 and 147,546.14 is: 203,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,996.90 : 351,907.61 = 147,546.14 : x
  2. Step 2: Convert to fraction form
    254,996.90/351,907.61 = 147,546.14/x
  3. Step 3: Cross multiply
    254,996.90x = 351,907.61 × 147,546.14
  4. Step 4: Simplify right side
    254,996.90x = 51,922,606,994.86
  5. Step 5: Solve for x
    x = 51,922,606,994.86/254,996.90
  6. Step 6: Final answer
    x = 203,620.55

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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.