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Finding the Fourth Proportional to 235,334.60, 353,020.26 and 141,206.12

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Solution

The fourth proportional to 235,334.60, 353,020.26 and 141,206.12 is: 211,820.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,334.60 : 353,020.26 = 141,206.12 : x
  2. Step 2: Convert to fraction form
    235,334.60/353,020.26 = 141,206.12/x
  3. Step 3: Cross multiply
    235,334.60x = 353,020.26 × 141,206.12
  4. Step 4: Simplify right side
    235,334.60x = 49,848,621,195.99
  5. Step 5: Solve for x
    x = 49,848,621,195.99/235,334.60
  6. Step 6: Final answer
    x = 211,820.20

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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.