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Finding the Fourth Proportional to 353,161.89, 529,444.22 and 153,331.11

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Solution

The fourth proportional to 353,161.89, 529,444.22 and 153,331.11 is: 229,867.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,161.89 : 529,444.22 = 153,331.11 : x
  2. Step 2: Convert to fraction form
    353,161.89/529,444.22 = 153,331.11/x
  3. Step 3: Cross multiply
    353,161.89x = 529,444.22 × 153,331.11
  4. Step 4: Simplify right side
    353,161.89x = 81,180,269,169.03
  5. Step 5: Solve for x
    x = 81,180,269,169.03/353,161.89
  6. Step 6: Final answer
    x = 229,867.01

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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.