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Finding the Fourth Proportional to 104,578.88, 156,892.92 and 34,458.19

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Solution

The fourth proportional to 104,578.88, 156,892.92 and 34,458.19 is: 51,695.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,578.88 : 156,892.92 = 34,458.19 : x
  2. Step 2: Convert to fraction form
    104,578.88/156,892.92 = 34,458.19/x
  3. Step 3: Cross multiply
    104,578.88x = 156,892.92 × 34,458.19
  4. Step 4: Simplify right side
    104,578.88x = 5,406,246,047.01
  5. Step 5: Solve for x
    x = 5,406,246,047.01/104,578.88
  6. Step 6: Final answer
    x = 51,695.39

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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.