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Finding the Fourth Proportional to 273,755.36, 377,779.92 and 151,247.56

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Solution

The fourth proportional to 273,755.36, 377,779.92 and 151,247.56 is: 208,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,755.36 : 377,779.92 = 151,247.56 : x
  2. Step 2: Convert to fraction form
    273,755.36/377,779.92 = 151,247.56/x
  3. Step 3: Cross multiply
    273,755.36x = 377,779.92 × 151,247.56
  4. Step 4: Simplify right side
    273,755.36x = 57,138,291,117.00
  5. Step 5: Solve for x
    x = 57,138,291,117.00/273,755.36
  6. Step 6: Final answer
    x = 208,720.26

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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.