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Finding the Fourth Proportional to 73,541.61, 110,311.88 and 20,951.01

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Solution

The fourth proportional to 73,541.61, 110,311.88 and 20,951.01 is: 31,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,541.61 : 110,311.88 = 20,951.01 : x
  2. Step 2: Convert to fraction form
    73,541.61/110,311.88 = 20,951.01/x
  3. Step 3: Cross multiply
    73,541.61x = 110,311.88 × 20,951.01
  4. Step 4: Simplify right side
    73,541.61x = 2,311,145,196.24
  5. Step 5: Solve for x
    x = 2,311,145,196.24/73,541.61
  6. Step 6: Final answer
    x = 31,426.36

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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.