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Finding the Fourth Proportional to 183,891.53, 275,323.37 and 99,348.80

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Solution

The fourth proportional to 183,891.53, 275,323.37 and 99,348.80 is: 148,745.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,891.53 : 275,323.37 = 99,348.80 : x
  2. Step 2: Convert to fraction form
    183,891.53/275,323.37 = 99,348.80/x
  3. Step 3: Cross multiply
    183,891.53x = 275,323.37 × 99,348.80
  4. Step 4: Simplify right side
    183,891.53x = 27,353,044,548.10
  5. Step 5: Solve for x
    x = 27,353,044,548.10/183,891.53
  6. Step 6: Final answer
    x = 148,745.54

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1.5x scale

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.