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Finding the Fourth Proportional to 273,121.56, 409,400.76 and 104,595.84

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Solution

The fourth proportional to 273,121.56, 409,400.76 and 104,595.84 is: 156,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,121.56 : 409,400.76 = 104,595.84 : x
  2. Step 2: Convert to fraction form
    273,121.56/409,400.76 = 104,595.84/x
  3. Step 3: Cross multiply
    273,121.56x = 409,400.76 × 104,595.84
  4. Step 4: Simplify right side
    273,121.56x = 42,821,616,388.84
  5. Step 5: Solve for x
    x = 42,821,616,388.84/273,121.56
  6. Step 6: Final answer
    x = 156,785.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.