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Finding the Fourth Proportional to 183,836.80, 275,778.72 and 65,520.08

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Solution

The fourth proportional to 183,836.80, 275,778.72 and 65,520.08 is: 98,288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,836.80 : 275,778.72 = 65,520.08 : x
  2. Step 2: Convert to fraction form
    183,836.80/275,778.72 = 65,520.08/x
  3. Step 3: Cross multiply
    183,836.80x = 275,778.72 × 65,520.08
  4. Step 4: Simplify right side
    183,836.80x = 18,069,043,796.70
  5. Step 5: Solve for x
    x = 18,069,043,796.70/183,836.80
  6. Step 6: Final answer
    x = 98,288.50

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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.