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Finding the Fourth Proportional to 94,379.76, 130,246.65 and 51,940.89

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Solution

The fourth proportional to 94,379.76, 130,246.65 and 51,940.89 is: 71,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,379.76 : 130,246.65 = 51,940.89 : x
  2. Step 2: Convert to fraction form
    94,379.76/130,246.65 = 51,940.89/x
  3. Step 3: Cross multiply
    94,379.76x = 130,246.65 × 51,940.89
  4. Step 4: Simplify right side
    94,379.76x = 6,765,126,920.52
  5. Step 5: Solve for x
    x = 6,765,126,920.52/94,379.76
  6. Step 6: Final answer
    x = 71,679.85

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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.