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Finding the Fourth Proportional to 66,894.96, 92,235.24 and 43,022.64

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Solution

The fourth proportional to 66,894.96, 92,235.24 and 43,022.64 is: 59,319.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,894.96 : 92,235.24 = 43,022.64 : x
  2. Step 2: Convert to fraction form
    66,894.96/92,235.24 = 43,022.64/x
  3. Step 3: Cross multiply
    66,894.96x = 92,235.24 × 43,022.64
  4. Step 4: Simplify right side
    66,894.96x = 3,968,203,525.83
  5. Step 5: Solve for x
    x = 3,968,203,525.83/66,894.96
  6. Step 6: Final answer
    x = 59,319.92

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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.