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Finding the Fourth Proportional to 267,777, 370,021.23 and 195,053.31

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Solution

The fourth proportional to 267,777, 370,021.23 and 195,053.31 is: 269,529.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,777 : 370,021.23 = 195,053.31 : x
  2. Step 2: Convert to fraction form
    267,777/370,021.23 = 195,053.31/x
  3. Step 3: Cross multiply
    267,777x = 370,021.23 × 195,053.31
  4. Step 4: Simplify right side
    267,777x = 72,173,865,681.77
  5. Step 5: Solve for x
    x = 72,173,865,681.77/267,777
  6. Step 6: Final answer
    x = 269,529.74

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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.