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Finding the Fourth Proportional to 273,572.70, 410,301.45 and 115,806.30

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Solution

The fourth proportional to 273,572.70, 410,301.45 and 115,806.30 is: 173,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,572.70 : 410,301.45 = 115,806.30 : x
  2. Step 2: Convert to fraction form
    273,572.70/410,301.45 = 115,806.30/x
  3. Step 3: Cross multiply
    273,572.70x = 410,301.45 × 115,806.30
  4. Step 4: Simplify right side
    273,572.70x = 47,515,492,809.14
  5. Step 5: Solve for x
    x = 47,515,492,809.14/273,572.70
  6. Step 6: Final answer
    x = 173,685.07

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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.