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Finding the Fourth Proportional to 108,908.56, 163,477.32 and 96,508

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Solution

The fourth proportional to 108,908.56, 163,477.32 and 96,508 is: 144,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,908.56 : 163,477.32 = 96,508 : x
  2. Step 2: Convert to fraction form
    108,908.56/163,477.32 = 96,508/x
  3. Step 3: Cross multiply
    108,908.56x = 163,477.32 × 96,508
  4. Step 4: Simplify right side
    108,908.56x = 15,776,869,198.56
  5. Step 5: Solve for x
    x = 15,776,869,198.56/108,908.56
  6. Step 6: Final answer
    x = 144,863.45

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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.