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Finding the Fourth Proportional to 254,298.44, 350,920.02 and 141,120.20

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Solution

The fourth proportional to 254,298.44, 350,920.02 and 141,120.20 is: 194,739.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,298.44 : 350,920.02 = 141,120.20 : x
  2. Step 2: Convert to fraction form
    254,298.44/350,920.02 = 141,120.20/x
  3. Step 3: Cross multiply
    254,298.44x = 350,920.02 × 141,120.20
  4. Step 4: Simplify right side
    254,298.44x = 49,521,903,406.40
  5. Step 5: Solve for x
    x = 49,521,903,406.40/254,298.44
  6. Step 6: Final answer
    x = 194,739.31

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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.