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Finding the Fourth Proportional to 273,055.78, 376,771.33 and 152,170.58

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Solution

The fourth proportional to 273,055.78, 376,771.33 and 152,170.58 is: 209,969.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,055.78 : 376,771.33 = 152,170.58 : x
  2. Step 2: Convert to fraction form
    273,055.78/376,771.33 = 152,170.58/x
  3. Step 3: Cross multiply
    273,055.78x = 376,771.33 × 152,170.58
  4. Step 4: Simplify right side
    273,055.78x = 57,333,511,813.47
  5. Step 5: Solve for x
    x = 57,333,511,813.47/273,055.78
  6. Step 6: Final answer
    x = 209,969.96

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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.