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Finding the Fourth Proportional to 235,755.87, 353,630.36 and 58,262.90

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Solution

The fourth proportional to 235,755.87, 353,630.36 and 58,262.90 is: 87,393.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,755.87 : 353,630.36 = 58,262.90 : x
  2. Step 2: Convert to fraction form
    235,755.87/353,630.36 = 58,262.90/x
  3. Step 3: Cross multiply
    235,755.87x = 353,630.36 × 58,262.90
  4. Step 4: Simplify right side
    235,755.87x = 20,603,528,351.42
  5. Step 5: Solve for x
    x = 20,603,528,351.42/235,755.87
  6. Step 6: Final answer
    x = 87,393.49

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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.