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Finding the Fourth Proportional to 193,062.80, 289,590 and 52,821.42

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Solution

The fourth proportional to 193,062.80, 289,590 and 52,821.42 is: 79,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,062.80 : 289,590 = 52,821.42 : x
  2. Step 2: Convert to fraction form
    193,062.80/289,590 = 52,821.42/x
  3. Step 3: Cross multiply
    193,062.80x = 289,590 × 52,821.42
  4. Step 4: Simplify right side
    193,062.80x = 15,296,555,017.80
  5. Step 5: Solve for x
    x = 15,296,555,017.80/193,062.80
  6. Step 6: Final answer
    x = 79,230.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.