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Finding the Fourth Proportional to 254,080.80, 350,631.40 and 140,903.56

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Solution

The fourth proportional to 254,080.80, 350,631.40 and 140,903.56 is: 194,446.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,080.80 : 350,631.40 = 140,903.56 : x
  2. Step 2: Convert to fraction form
    254,080.80/350,631.40 = 140,903.56/x
  3. Step 3: Cross multiply
    254,080.80x = 350,631.40 × 140,903.56
  4. Step 4: Simplify right side
    254,080.80x = 49,405,212,507.78
  5. Step 5: Solve for x
    x = 49,405,212,507.78/254,080.80
  6. Step 6: Final answer
    x = 194,446.86

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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.