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Finding the Fourth Proportional to 254,077.80, 350,648.90 and 140,937

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Solution

The fourth proportional to 254,077.80, 350,648.90 and 140,937 is: 194,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,077.80 : 350,648.90 = 140,937 : x
  2. Step 2: Convert to fraction form
    254,077.80/350,648.90 = 140,937/x
  3. Step 3: Cross multiply
    254,077.80x = 350,648.90 × 140,937
  4. Step 4: Simplify right side
    254,077.80x = 49,419,404,019.30
  5. Step 5: Solve for x
    x = 49,419,404,019.30/254,077.80
  6. Step 6: Final answer
    x = 194,505.01

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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.