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Finding the Fourth Proportional to 269,737.77, 372,211.61 and 148,871.27

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Solution

The fourth proportional to 269,737.77, 372,211.61 and 148,871.27 is: 205,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,737.77 : 372,211.61 = 148,871.27 : x
  2. Step 2: Convert to fraction form
    269,737.77/372,211.61 = 148,871.27/x
  3. Step 3: Cross multiply
    269,737.77x = 372,211.61 × 148,871.27
  4. Step 4: Simplify right side
    269,737.77x = 55,411,614,477.33
  5. Step 5: Solve for x
    x = 55,411,614,477.33/269,737.77
  6. Step 6: Final answer
    x = 205,427.71

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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.