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Finding the Fourth Proportional to 353,911.07, 530,741.54 and 114,015.30

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Solution

The fourth proportional to 353,911.07, 530,741.54 and 114,015.30 is: 170,982.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,911.07 : 530,741.54 = 114,015.30 : x
  2. Step 2: Convert to fraction form
    353,911.07/530,741.54 = 114,015.30/x
  3. Step 3: Cross multiply
    353,911.07x = 530,741.54 × 114,015.30
  4. Step 4: Simplify right side
    353,911.07x = 60,512,653,879.65
  5. Step 5: Solve for x
    x = 60,512,653,879.65/353,911.07
  6. Step 6: Final answer
    x = 170,982.65

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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.