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Finding the Fourth Proportional to 342,020.03, 513,051.19 and 114,336.13

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Solution

The fourth proportional to 342,020.03, 513,051.19 and 114,336.13 is: 171,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,020.03 : 513,051.19 = 114,336.13 : x
  2. Step 2: Convert to fraction form
    342,020.03/513,051.19 = 114,336.13/x
  3. Step 3: Cross multiply
    342,020.03x = 513,051.19 × 114,336.13
  4. Step 4: Simplify right side
    342,020.03x = 58,660,287,556.49
  5. Step 5: Solve for x
    x = 58,660,287,556.49/342,020.03
  6. Step 6: Final answer
    x = 171,511.26

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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.