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Finding the Fourth Proportional to 108,233.90, 162,376.45 and 34,361.90

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Solution

The fourth proportional to 108,233.90, 162,376.45 and 34,361.90 is: 51,550.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,233.90 : 162,376.45 = 34,361.90 : x
  2. Step 2: Convert to fraction form
    108,233.90/162,376.45 = 34,361.90/x
  3. Step 3: Cross multiply
    108,233.90x = 162,376.45 × 34,361.90
  4. Step 4: Simplify right side
    108,233.90x = 5,579,563,337.26
  5. Step 5: Solve for x
    x = 5,579,563,337.26/108,233.90
  6. Step 6: Final answer
    x = 51,550.98

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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.