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Finding the Fourth Proportional to 263,397.14, 395,051.18 and 73,813.91

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Solution

The fourth proportional to 263,397.14, 395,051.18 and 73,813.91 is: 110,708.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,397.14 : 395,051.18 = 73,813.91 : x
  2. Step 2: Convert to fraction form
    263,397.14/395,051.18 = 73,813.91/x
  3. Step 3: Cross multiply
    263,397.14x = 395,051.18 × 73,813.91
  4. Step 4: Simplify right side
    263,397.14x = 29,160,271,635.47
  5. Step 5: Solve for x
    x = 29,160,271,635.47/263,397.14
  6. Step 6: Final answer
    x = 110,708.38

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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.