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Finding the Fourth Proportional to 73,371.42, 110,000.94 and 23,421.86

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Solution

The fourth proportional to 73,371.42, 110,000.94 and 23,421.86 is: 35,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,371.42 : 110,000.94 = 23,421.86 : x
  2. Step 2: Convert to fraction form
    73,371.42/110,000.94 = 23,421.86/x
  3. Step 3: Cross multiply
    73,371.42x = 110,000.94 × 23,421.86
  4. Step 4: Simplify right side
    73,371.42x = 2,576,426,391.22
  5. Step 5: Solve for x
    x = 2,576,426,391.22/73,371.42
  6. Step 6: Final answer
    x = 35,114.85

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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.