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Finding the Fourth Proportional to 104,632.56, 156,926.64 and 34,495.20

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Solution

The fourth proportional to 104,632.56, 156,926.64 and 34,495.20 is: 51,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,632.56 : 156,926.64 = 34,495.20 : x
  2. Step 2: Convert to fraction form
    104,632.56/156,926.64 = 34,495.20/x
  3. Step 3: Cross multiply
    104,632.56x = 156,926.64 × 34,495.20
  4. Step 4: Simplify right side
    104,632.56x = 5,413,215,832.13
  5. Step 5: Solve for x
    x = 5,413,215,832.13/104,632.56
  6. Step 6: Final answer
    x = 51,735.48

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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.