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Finding the Fourth Proportional to 168,486.01, 252,797.76 and 108,545.81

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Solution

The fourth proportional to 168,486.01, 252,797.76 and 108,545.81 is: 162,863.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,486.01 : 252,797.76 = 108,545.81 : x
  2. Step 2: Convert to fraction form
    168,486.01/252,797.76 = 108,545.81/x
  3. Step 3: Cross multiply
    168,486.01x = 252,797.76 × 108,545.81
  4. Step 4: Simplify right side
    168,486.01x = 27,440,136,361.40
  5. Step 5: Solve for x
    x = 27,440,136,361.40/168,486.01
  6. Step 6: Final answer
    x = 162,863.00

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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.