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Finding the Fourth Proportional to 94,891.76, 130,963.65 and 54,604.70

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Solution

The fourth proportional to 94,891.76, 130,963.65 and 54,604.70 is: 75,361.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,891.76 : 130,963.65 = 54,604.70 : x
  2. Step 2: Convert to fraction form
    94,891.76/130,963.65 = 54,604.70/x
  3. Step 3: Cross multiply
    94,891.76x = 130,963.65 × 54,604.70
  4. Step 4: Simplify right side
    94,891.76x = 7,151,230,819.16
  5. Step 5: Solve for x
    x = 7,151,230,819.16/94,891.76
  6. Step 6: Final answer
    x = 75,361.98

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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.