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Finding the Fourth Proportional to 273,819.23, 410,697.71 and 74,155.19

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Solution

The fourth proportional to 273,819.23, 410,697.71 and 74,155.19 is: 111,224.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,819.23 : 410,697.71 = 74,155.19 : x
  2. Step 2: Convert to fraction form
    273,819.23/410,697.71 = 74,155.19/x
  3. Step 3: Cross multiply
    273,819.23x = 410,697.71 × 74,155.19
  4. Step 4: Simplify right side
    273,819.23x = 30,455,364,293.35
  5. Step 5: Solve for x
    x = 30,455,364,293.35/273,819.23
  6. Step 6: Final answer
    x = 111,224.35

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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.