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Finding the Fourth Proportional to 60,094.53, 90,141.75 and 20,651.31

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Solution

The fourth proportional to 60,094.53, 90,141.75 and 20,651.31 is: 30,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,094.53 : 90,141.75 = 20,651.31 : x
  2. Step 2: Convert to fraction form
    60,094.53/90,141.75 = 20,651.31/x
  3. Step 3: Cross multiply
    60,094.53x = 90,141.75 × 20,651.31
  4. Step 4: Simplify right side
    60,094.53x = 1,861,545,223.19
  5. Step 5: Solve for x
    x = 1,861,545,223.19/60,094.53
  6. Step 6: Final answer
    x = 30,976.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.