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Finding the Fourth Proportional to 94,540.98, 130,464.86 and 51,520.86

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Solution

The fourth proportional to 94,540.98, 130,464.86 and 51,520.86 is: 71,097.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,540.98 : 130,464.86 = 51,520.86 : x
  2. Step 2: Convert to fraction form
    94,540.98/130,464.86 = 51,520.86/x
  3. Step 3: Cross multiply
    94,540.98x = 130,464.86 × 51,520.86
  4. Step 4: Simplify right side
    94,540.98x = 6,721,661,786.98
  5. Step 5: Solve for x
    x = 6,721,661,786.98/94,540.98
  6. Step 6: Final answer
    x = 71,097.86

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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.