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Finding the Fourth Proportional to 354,771.03, 531,694.49 and 144,162.75

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Solution

The fourth proportional to 354,771.03, 531,694.49 and 144,162.75 is: 216,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,771.03 : 531,694.49 = 144,162.75 : x
  2. Step 2: Convert to fraction form
    354,771.03/531,694.49 = 144,162.75/x
  3. Step 3: Cross multiply
    354,771.03x = 531,694.49 × 144,162.75
  4. Step 4: Simplify right side
    354,771.03x = 76,650,539,117.43
  5. Step 5: Solve for x
    x = 76,650,539,117.43/354,771.03
  6. Step 6: Final answer
    x = 216,056.36

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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.