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Finding the Fourth Proportional to 253,902.21, 350,323.02 and 151,882.98

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Solution

The fourth proportional to 253,902.21, 350,323.02 and 151,882.98 is: 209,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,902.21 : 350,323.02 = 151,882.98 : x
  2. Step 2: Convert to fraction form
    253,902.21/350,323.02 = 151,882.98/x
  3. Step 3: Cross multiply
    253,902.21x = 350,323.02 × 151,882.98
  4. Step 4: Simplify right side
    253,902.21x = 53,208,104,240.20
  5. Step 5: Solve for x
    x = 53,208,104,240.20/253,902.21
  6. Step 6: Final answer
    x = 209,561.41

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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.