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Finding the Fourth Proportional to 269,247.84, 371,560.80 and 148,388.86

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Solution

The fourth proportional to 269,247.84, 371,560.80 and 148,388.86 is: 204,775.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,247.84 : 371,560.80 = 148,388.86 : x
  2. Step 2: Convert to fraction form
    269,247.84/371,560.80 = 148,388.86/x
  3. Step 3: Cross multiply
    269,247.84x = 371,560.80 × 148,388.86
  4. Step 4: Simplify right side
    269,247.84x = 55,135,484,415.59
  5. Step 5: Solve for x
    x = 55,135,484,415.59/269,247.84
  6. Step 6: Final answer
    x = 204,775.96

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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.