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Finding the Fourth Proportional to 254,086.79, 350,655.48 and 140,909.54

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Solution

The fourth proportional to 254,086.79, 350,655.48 and 140,909.54 is: 194,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,086.79 : 350,655.48 = 140,909.54 : x
  2. Step 2: Convert to fraction form
    254,086.79/350,655.48 = 140,909.54/x
  3. Step 3: Cross multiply
    254,086.79x = 350,655.48 × 140,909.54
  4. Step 4: Simplify right side
    254,086.79x = 49,410,700,632.00
  5. Step 5: Solve for x
    x = 49,410,700,632.00/254,086.79
  6. Step 6: Final answer
    x = 194,463.87

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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.