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Finding the Fourth Proportional to 353,190.97, 529,729.62 and 96,963.76

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Solution

The fourth proportional to 353,190.97, 529,729.62 and 96,963.76 is: 145,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,190.97 : 529,729.62 = 96,963.76 : x
  2. Step 2: Convert to fraction form
    353,190.97/529,729.62 = 96,963.76/x
  3. Step 3: Cross multiply
    353,190.97x = 529,729.62 × 96,963.76
  4. Step 4: Simplify right side
    353,190.97x = 51,364,575,738.57
  5. Step 5: Solve for x
    x = 51,364,575,738.57/353,190.97
  6. Step 6: Final answer
    x = 145,430.04

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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.