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Finding the Fourth Proportional to 234,520.80, 351,262.80 and 193,048.80

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Solution

The fourth proportional to 234,520.80, 351,262.80 and 193,048.80 is: 289,146.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,520.80 : 351,262.80 = 193,048.80 : x
  2. Step 2: Convert to fraction form
    234,520.80/351,262.80 = 193,048.80/x
  3. Step 3: Cross multiply
    234,520.80x = 351,262.80 × 193,048.80
  4. Step 4: Simplify right side
    234,520.80x = 67,810,862,024.64
  5. Step 5: Solve for x
    x = 67,810,862,024.64/234,520.80
  6. Step 6: Final answer
    x = 289,146.47

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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.