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Finding the Fourth Proportional to 273,268.57, 377,143.53 and 160,091.32

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Solution

The fourth proportional to 273,268.57, 377,143.53 and 160,091.32 is: 220,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,268.57 : 377,143.53 = 160,091.32 : x
  2. Step 2: Convert to fraction form
    273,268.57/377,143.53 = 160,091.32/x
  3. Step 3: Cross multiply
    273,268.57x = 377,143.53 × 160,091.32
  4. Step 4: Simplify right side
    273,268.57x = 60,377,405,547.16
  5. Step 5: Solve for x
    x = 60,377,405,547.16/273,268.57
  6. Step 6: Final answer
    x = 220,945.30

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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.