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Finding the Fourth Proportional to 183,036.20, 274,554.30 and 77,858.60

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Solution

The fourth proportional to 183,036.20, 274,554.30 and 77,858.60 is: 116,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,036.20 : 274,554.30 = 77,858.60 : x
  2. Step 2: Convert to fraction form
    183,036.20/274,554.30 = 77,858.60/x
  3. Step 3: Cross multiply
    183,036.20x = 274,554.30 × 77,858.60
  4. Step 4: Simplify right side
    183,036.20x = 21,376,413,421.98
  5. Step 5: Solve for x
    x = 21,376,413,421.98/183,036.20
  6. Step 6: Final answer
    x = 116,787.90

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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.