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Finding the Fourth Proportional to 183,704.40, 275,718.60 and 108,730.80

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Solution

The fourth proportional to 183,704.40, 275,718.60 and 108,730.80 is: 163,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,704.40 : 275,718.60 = 108,730.80 : x
  2. Step 2: Convert to fraction form
    183,704.40/275,718.60 = 108,730.80/x
  3. Step 3: Cross multiply
    183,704.40x = 275,718.60 × 108,730.80
  4. Step 4: Simplify right side
    183,704.40x = 29,979,103,952.88
  5. Step 5: Solve for x
    x = 29,979,103,952.88/183,704.40
  6. Step 6: Final answer
    x = 163,192.08

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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.