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Finding the Fourth Proportional to 108,755.38, 163,125.78 and 29,863

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Solution

The fourth proportional to 108,755.38, 163,125.78 and 29,863 is: 44,792.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,755.38 : 163,125.78 = 29,863 : x
  2. Step 2: Convert to fraction form
    108,755.38/163,125.78 = 29,863/x
  3. Step 3: Cross multiply
    108,755.38x = 163,125.78 × 29,863
  4. Step 4: Simplify right side
    108,755.38x = 4,871,425,168.14
  5. Step 5: Solve for x
    x = 4,871,425,168.14/108,755.38
  6. Step 6: Final answer
    x = 44,792.50

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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.