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Finding the Fourth Proportional to 231,076.80, 346,291.20 and 183,772.80

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Solution

The fourth proportional to 231,076.80, 346,291.20 and 183,772.80 is: 275,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,076.80 : 346,291.20 = 183,772.80 : x
  2. Step 2: Convert to fraction form
    231,076.80/346,291.20 = 183,772.80/x
  3. Step 3: Cross multiply
    231,076.80x = 346,291.20 × 183,772.80
  4. Step 4: Simplify right side
    231,076.80x = 63,638,903,439.36
  5. Step 5: Solve for x
    x = 63,638,903,439.36/231,076.80
  6. Step 6: Final answer
    x = 275,401.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.