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Finding the Fourth Proportional to 94,558.54, 130,481.44 and 56,310.48

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Solution

The fourth proportional to 94,558.54, 130,481.44 and 56,310.48 is: 77,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,558.54 : 130,481.44 = 56,310.48 : x
  2. Step 2: Convert to fraction form
    94,558.54/130,481.44 = 56,310.48/x
  3. Step 3: Cross multiply
    94,558.54x = 130,481.44 × 56,310.48
  4. Step 4: Simplify right side
    94,558.54x = 7,347,472,517.49
  5. Step 5: Solve for x
    x = 7,347,472,517.49/94,558.54
  6. Step 6: Final answer
    x = 77,702.90

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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.