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Finding the Fourth Proportional to 347,672.58, 521,504.47 and 111,012.26

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Solution

The fourth proportional to 347,672.58, 521,504.47 and 111,012.26 is: 166,516.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,672.58 : 521,504.47 = 111,012.26 : x
  2. Step 2: Convert to fraction form
    347,672.58/521,504.47 = 111,012.26/x
  3. Step 3: Cross multiply
    347,672.58x = 521,504.47 × 111,012.26
  4. Step 4: Simplify right side
    347,672.58x = 57,893,389,814.80
  5. Step 5: Solve for x
    x = 57,893,389,814.80/347,672.58
  6. Step 6: Final answer
    x = 166,516.99

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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.