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Finding the Fourth Proportional to 183,648.80, 275,424.60 and 57,288.80

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Solution

The fourth proportional to 183,648.80, 275,424.60 and 57,288.80 is: 85,918.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,648.80 : 275,424.60 = 57,288.80 : x
  2. Step 2: Convert to fraction form
    183,648.80/275,424.60 = 57,288.80/x
  3. Step 3: Cross multiply
    183,648.80x = 275,424.60 × 57,288.80
  4. Step 4: Simplify right side
    183,648.80x = 15,778,744,824.48
  5. Step 5: Solve for x
    x = 15,778,744,824.48/183,648.80
  6. Step 6: Final answer
    x = 85,918.04

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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.