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Finding the Fourth Proportional to 104,435.90, 156,662.12 and 29,556.51

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Solution

The fourth proportional to 104,435.90, 156,662.12 and 29,556.51 is: 44,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,435.90 : 156,662.12 = 29,556.51 : x
  2. Step 2: Convert to fraction form
    104,435.90/156,662.12 = 29,556.51/x
  3. Step 3: Cross multiply
    104,435.90x = 156,662.12 × 29,556.51
  4. Step 4: Simplify right side
    104,435.90x = 4,630,385,516.40
  5. Step 5: Solve for x
    x = 4,630,385,516.40/104,435.90
  6. Step 6: Final answer
    x = 44,337.11

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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.