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Finding the Fourth Proportional to 254,087.79, 350,656.86 and 140,910.54

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Solution

The fourth proportional to 254,087.79, 350,656.86 and 140,910.54 is: 194,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,087.79 : 350,656.86 = 140,910.54 : x
  2. Step 2: Convert to fraction form
    254,087.79/350,656.86 = 140,910.54/x
  3. Step 3: Cross multiply
    254,087.79x = 350,656.86 × 140,910.54
  4. Step 4: Simplify right side
    254,087.79x = 49,411,247,497.30
  5. Step 5: Solve for x
    x = 49,411,247,497.30/254,087.79
  6. Step 6: Final answer
    x = 194,465.26

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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.