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Finding the Fourth Proportional to 108,108, 162,162.72 and 34,236

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Solution

The fourth proportional to 108,108, 162,162.72 and 34,236 is: 51,354.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,108 : 162,162.72 = 34,236 : x
  2. Step 2: Convert to fraction form
    108,108/162,162.72 = 34,236/x
  3. Step 3: Cross multiply
    108,108x = 162,162.72 × 34,236
  4. Step 4: Simplify right side
    108,108x = 5,551,802,881.92
  5. Step 5: Solve for x
    x = 5,551,802,881.92/108,108
  6. Step 6: Final answer
    x = 51,354.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.