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Finding the Fourth Proportional to 254,996.95, 351,907.70 and 147,546.20

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Solution

The fourth proportional to 254,996.95, 351,907.70 and 147,546.20 is: 203,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,996.95 : 351,907.70 = 147,546.20 : x
  2. Step 2: Convert to fraction form
    254,996.95/351,907.70 = 147,546.20/x
  3. Step 3: Cross multiply
    254,996.95x = 351,907.70 × 147,546.20
  4. Step 4: Simplify right side
    254,996.95x = 51,922,643,885.74
  5. Step 5: Solve for x
    x = 51,922,643,885.74/254,996.95
  6. Step 6: Final answer
    x = 203,620.65

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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.