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Finding the Fourth Proportional to 66,958.55, 92,406.89 and 44,258.16

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Solution

The fourth proportional to 66,958.55, 92,406.89 and 44,258.16 is: 61,078.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,958.55 : 92,406.89 = 44,258.16 : x
  2. Step 2: Convert to fraction form
    66,958.55/92,406.89 = 44,258.16/x
  3. Step 3: Cross multiply
    66,958.55x = 92,406.89 × 44,258.16
  4. Step 4: Simplify right side
    66,958.55x = 4,089,759,379.89
  5. Step 5: Solve for x
    x = 4,089,759,379.89/66,958.55
  6. Step 6: Final answer
    x = 61,078.97

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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.