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Finding the Fourth Proportional to 104,362.44, 156,567.54 and 45,207.96

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Solution

The fourth proportional to 104,362.44, 156,567.54 and 45,207.96 is: 67,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,362.44 : 156,567.54 = 45,207.96 : x
  2. Step 2: Convert to fraction form
    104,362.44/156,567.54 = 45,207.96/x
  3. Step 3: Cross multiply
    104,362.44x = 156,567.54 × 45,207.96
  4. Step 4: Simplify right side
    104,362.44x = 7,078,099,085.62
  5. Step 5: Solve for x
    x = 7,078,099,085.62/104,362.44
  6. Step 6: Final answer
    x = 67,822.28

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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.