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Finding the Fourth Proportional to 108,862.96, 163,294.44 and 29,977.96

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Solution

The fourth proportional to 108,862.96, 163,294.44 and 29,977.96 is: 44,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,862.96 : 163,294.44 = 29,977.96 : x
  2. Step 2: Convert to fraction form
    108,862.96/163,294.44 = 29,977.96/x
  3. Step 3: Cross multiply
    108,862.96x = 163,294.44 × 29,977.96
  4. Step 4: Simplify right side
    108,862.96x = 4,895,234,190.54
  5. Step 5: Solve for x
    x = 4,895,234,190.54/108,862.96
  6. Step 6: Final answer
    x = 44,966.94

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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.