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Finding the Fourth Proportional to 104,499.08, 156,748.59 and 25,612.64

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Solution

The fourth proportional to 104,499.08, 156,748.59 and 25,612.64 is: 38,418.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,499.08 : 156,748.59 = 25,612.64 : x
  2. Step 2: Convert to fraction form
    104,499.08/156,748.59 = 25,612.64/x
  3. Step 3: Cross multiply
    104,499.08x = 156,748.59 × 25,612.64
  4. Step 4: Simplify right side
    104,499.08x = 4,014,745,598.05
  5. Step 5: Solve for x
    x = 4,014,745,598.05/104,499.08
  6. Step 6: Final answer
    x = 38,418.96

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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.