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Finding the Fourth Proportional to 108,906.56, 163,474.32 and 96,506

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Solution

The fourth proportional to 108,906.56, 163,474.32 and 96,506 is: 144,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,906.56 : 163,474.32 = 96,506 : x
  2. Step 2: Convert to fraction form
    108,906.56/163,474.32 = 96,506/x
  3. Step 3: Cross multiply
    108,906.56x = 163,474.32 × 96,506
  4. Step 4: Simplify right side
    108,906.56x = 15,776,252,725.92
  5. Step 5: Solve for x
    x = 15,776,252,725.92/108,906.56
  6. Step 6: Final answer
    x = 144,860.44

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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.