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Finding the Fourth Proportional to 62,003.20, 93,235.20 and 51,865.60

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Solution

The fourth proportional to 62,003.20, 93,235.20 and 51,865.60 is: 77,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,003.20 : 93,235.20 = 51,865.60 : x
  2. Step 2: Convert to fraction form
    62,003.20/93,235.20 = 51,865.60/x
  3. Step 3: Cross multiply
    62,003.20x = 93,235.20 × 51,865.60
  4. Step 4: Simplify right side
    62,003.20x = 4,835,699,589.12
  5. Step 5: Solve for x
    x = 4,835,699,589.12/62,003.20
  6. Step 6: Final answer
    x = 77,991.13

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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.