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Finding the Fourth Proportional to 104,579.32, 156,893.58 and 34,458.63

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Solution

The fourth proportional to 104,579.32, 156,893.58 and 34,458.63 is: 51,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,579.32 : 156,893.58 = 34,458.63 : x
  2. Step 2: Convert to fraction form
    104,579.32/156,893.58 = 34,458.63/x
  3. Step 3: Cross multiply
    104,579.32x = 156,893.58 × 34,458.63
  4. Step 4: Simplify right side
    104,579.32x = 5,406,337,822.60
  5. Step 5: Solve for x
    x = 5,406,337,822.60/104,579.32
  6. Step 6: Final answer
    x = 51,696.05

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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.