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Finding the Fourth Proportional to 273,268.80, 377,053.60 and 165,895.36

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Solution

The fourth proportional to 273,268.80, 377,053.60 and 165,895.36 is: 228,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,268.80 : 377,053.60 = 165,895.36 : x
  2. Step 2: Convert to fraction form
    273,268.80/377,053.60 = 165,895.36/x
  3. Step 3: Cross multiply
    273,268.80x = 377,053.60 × 165,895.36
  4. Step 4: Simplify right side
    273,268.80x = 62,551,442,711.30
  5. Step 5: Solve for x
    x = 62,551,442,711.30/273,268.80
  6. Step 6: Final answer
    x = 228,900.78

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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.