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Finding the Fourth Proportional to 61,183.98, 91,765.02 and 38,931.25

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Solution

The fourth proportional to 61,183.98, 91,765.02 and 38,931.25 is: 58,389.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,183.98 : 91,765.02 = 38,931.25 : x
  2. Step 2: Convert to fraction form
    61,183.98/91,765.02 = 38,931.25/x
  3. Step 3: Cross multiply
    61,183.98x = 91,765.02 × 38,931.25
  4. Step 4: Simplify right side
    61,183.98x = 3,572,526,740.22
  5. Step 5: Solve for x
    x = 3,572,526,740.22/61,183.98
  6. Step 6: Final answer
    x = 58,389.91

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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.