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Finding the Fourth Proportional to 183,291.78, 274,883.73 and 55,202.82

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Solution

The fourth proportional to 183,291.78, 274,883.73 and 55,202.82 is: 82,787.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,291.78 : 274,883.73 = 55,202.82 : x
  2. Step 2: Convert to fraction form
    183,291.78/274,883.73 = 55,202.82/x
  3. Step 3: Cross multiply
    183,291.78x = 274,883.73 × 55,202.82
  4. Step 4: Simplify right side
    183,291.78x = 15,174,357,068.12
  5. Step 5: Solve for x
    x = 15,174,357,068.12/183,291.78
  6. Step 6: Final answer
    x = 82,787.98

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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.