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Finding the Fourth Proportional to 108,503.61, 162,755.41 and 29,619.94

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Solution

The fourth proportional to 108,503.61, 162,755.41 and 29,619.94 is: 44,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,503.61 : 162,755.41 = 29,619.94 : x
  2. Step 2: Convert to fraction form
    108,503.61/162,755.41 = 29,619.94/x
  3. Step 3: Cross multiply
    108,503.61x = 162,755.41 × 29,619.94
  4. Step 4: Simplify right side
    108,503.61x = 4,820,804,665.10
  5. Step 5: Solve for x
    x = 4,820,804,665.10/108,503.61
  6. Step 6: Final answer
    x = 44,429.90

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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.