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Finding the Fourth Proportional to 254,189.36, 350,811.26 and 141,019.40

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Solution

The fourth proportional to 254,189.36, 350,811.26 and 141,019.40 is: 194,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,189.36 : 350,811.26 = 141,019.40 : x
  2. Step 2: Convert to fraction form
    254,189.36/350,811.26 = 141,019.40/x
  3. Step 3: Cross multiply
    254,189.36x = 350,811.26 × 141,019.40
  4. Step 4: Simplify right side
    254,189.36x = 49,471,190,939.29
  5. Step 5: Solve for x
    x = 49,471,190,939.29/254,189.36
  6. Step 6: Final answer
    x = 194,623.38

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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.