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Finding the Fourth Proportional to 86,706.35, 119,656.24 and 48,466.65

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Solution

The fourth proportional to 86,706.35, 119,656.24 and 48,466.65 is: 66,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,706.35 : 119,656.24 = 48,466.65 : x
  2. Step 2: Convert to fraction form
    86,706.35/119,656.24 = 48,466.65/x
  3. Step 3: Cross multiply
    86,706.35x = 119,656.24 × 48,466.65
  4. Step 4: Simplify right side
    86,706.35x = 5,799,337,431.94
  5. Step 5: Solve for x
    x = 5,799,337,431.94/86,706.35
  6. Step 6: Final answer
    x = 66,884.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.