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Finding the Fourth Proportional to 352,563.08, 529,054.70 and 127,941.03

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Solution

The fourth proportional to 352,563.08, 529,054.70 and 127,941.03 is: 191,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,563.08 : 529,054.70 = 127,941.03 : x
  2. Step 2: Convert to fraction form
    352,563.08/529,054.70 = 127,941.03/x
  3. Step 3: Cross multiply
    352,563.08x = 529,054.70 × 127,941.03
  4. Step 4: Simplify right side
    352,563.08x = 67,687,802,604.64
  5. Step 5: Solve for x
    x = 67,687,802,604.64/352,563.08
  6. Step 6: Final answer
    x = 191,987.78

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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.