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Finding the Fourth Proportional to 351,051.57, 526,576.91 and 114,393.87

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Solution

The fourth proportional to 351,051.57, 526,576.91 and 114,393.87 is: 171,590.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,051.57 : 526,576.91 = 114,393.87 : x
  2. Step 2: Convert to fraction form
    351,051.57/526,576.91 = 114,393.87/x
  3. Step 3: Cross multiply
    351,051.57x = 526,576.91 × 114,393.87
  4. Step 4: Simplify right side
    351,051.57x = 60,237,170,015.57
  5. Step 5: Solve for x
    x = 60,237,170,015.57/351,051.57
  6. Step 6: Final answer
    x = 171,590.66

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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.