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Finding the Fourth Proportional to 273,416.20, 410,124.30 and 115,592.20

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Solution

The fourth proportional to 273,416.20, 410,124.30 and 115,592.20 is: 173,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,416.20 : 410,124.30 = 115,592.20 : x
  2. Step 2: Convert to fraction form
    273,416.20/410,124.30 = 115,592.20/x
  3. Step 3: Cross multiply
    273,416.20x = 410,124.30 × 115,592.20
  4. Step 4: Simplify right side
    273,416.20x = 47,407,170,110.46
  5. Step 5: Solve for x
    x = 47,407,170,110.46/273,416.20
  6. Step 6: Final answer
    x = 173,388.30

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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.