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Finding the Fourth Proportional to 273,040.30, 376,749.93 and 152,155.09

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Solution

The fourth proportional to 273,040.30, 376,749.93 and 152,155.09 is: 209,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,040.30 : 376,749.93 = 152,155.09 : x
  2. Step 2: Convert to fraction form
    273,040.30/376,749.93 = 152,155.09/x
  3. Step 3: Cross multiply
    273,040.30x = 376,749.93 × 152,155.09
  4. Step 4: Simplify right side
    273,040.30x = 57,324,419,506.64
  5. Step 5: Solve for x
    x = 57,324,419,506.64/273,040.30
  6. Step 6: Final answer
    x = 209,948.57

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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.