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Finding the Fourth Proportional to 94,807.80, 130,834.44 and 54,519.66

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Solution

The fourth proportional to 94,807.80, 130,834.44 and 54,519.66 is: 75,236.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,807.80 : 130,834.44 = 54,519.66 : x
  2. Step 2: Convert to fraction form
    94,807.80/130,834.44 = 54,519.66/x
  3. Step 3: Cross multiply
    94,807.80x = 130,834.44 × 54,519.66
  4. Step 4: Simplify right side
    94,807.80x = 7,133,049,185.09
  5. Step 5: Solve for x
    x = 7,133,049,185.09/94,807.80
  6. Step 6: Final answer
    x = 75,236.94

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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.