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Finding the Fourth Proportional to 253,835.93, 350,292.84 and 140,658.68

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Solution

The fourth proportional to 253,835.93, 350,292.84 and 140,658.68 is: 194,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,835.93 : 350,292.84 = 140,658.68 : x
  2. Step 2: Convert to fraction form
    253,835.93/350,292.84 = 140,658.68/x
  3. Step 3: Cross multiply
    253,835.93x = 350,292.84 × 140,658.68
  4. Step 4: Simplify right side
    253,835.93x = 49,271,726,736.39
  5. Step 5: Solve for x
    x = 49,271,726,736.39/253,835.93
  6. Step 6: Final answer
    x = 194,108.56

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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.