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Finding the Fourth Proportional to 108,435.44, 162,636.72 and 29,556

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Solution

The fourth proportional to 108,435.44, 162,636.72 and 29,556 is: 44,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,435.44 : 162,636.72 = 29,556 : x
  2. Step 2: Convert to fraction form
    108,435.44/162,636.72 = 29,556/x
  3. Step 3: Cross multiply
    108,435.44x = 162,636.72 × 29,556
  4. Step 4: Simplify right side
    108,435.44x = 4,806,890,896.32
  5. Step 5: Solve for x
    x = 4,806,890,896.32/108,435.44
  6. Step 6: Final answer
    x = 44,329.52

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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.