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Finding the Fourth Proportional to 273,667.89, 410,497.74 and 84,130.86

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Solution

The fourth proportional to 273,667.89, 410,497.74 and 84,130.86 is: 126,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,667.89 : 410,497.74 = 84,130.86 : x
  2. Step 2: Convert to fraction form
    273,667.89/410,497.74 = 84,130.86/x
  3. Step 3: Cross multiply
    273,667.89x = 410,497.74 × 84,130.86
  4. Step 4: Simplify right side
    273,667.89x = 34,535,527,894.26
  5. Step 5: Solve for x
    x = 34,535,527,894.26/273,667.89
  6. Step 6: Final answer
    x = 126,195.03

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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.