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Finding the Fourth Proportional to 104,526.44, 156,789.66 and 34,425.80

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Solution

The fourth proportional to 104,526.44, 156,789.66 and 34,425.80 is: 51,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,526.44 : 156,789.66 = 34,425.80 : x
  2. Step 2: Convert to fraction form
    104,526.44/156,789.66 = 34,425.80/x
  3. Step 3: Cross multiply
    104,526.44x = 156,789.66 × 34,425.80
  4. Step 4: Simplify right side
    104,526.44x = 5,397,609,477.23
  5. Step 5: Solve for x
    x = 5,397,609,477.23/104,526.44
  6. Step 6: Final answer
    x = 51,638.70

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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.