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Finding the Fourth Proportional to 183,456.80, 275,233.80 and 65,115.80

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Solution

The fourth proportional to 183,456.80, 275,233.80 and 65,115.80 is: 97,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,456.80 : 275,233.80 = 65,115.80 : x
  2. Step 2: Convert to fraction form
    183,456.80/275,233.80 = 65,115.80/x
  3. Step 3: Cross multiply
    183,456.80x = 275,233.80 × 65,115.80
  4. Step 4: Simplify right side
    183,456.80x = 17,922,069,074.04
  5. Step 5: Solve for x
    x = 17,922,069,074.04/183,456.80
  6. Step 6: Final answer
    x = 97,690.95

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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.