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Finding the Fourth Proportional to 73,811.98, 110,649.84 and 29,428

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Solution

The fourth proportional to 73,811.98, 110,649.84 and 29,428 is: 44,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,811.98 : 110,649.84 = 29,428 : x
  2. Step 2: Convert to fraction form
    73,811.98/110,649.84 = 29,428/x
  3. Step 3: Cross multiply
    73,811.98x = 110,649.84 × 29,428
  4. Step 4: Simplify right side
    73,811.98x = 3,256,203,491.52
  5. Step 5: Solve for x
    x = 3,256,203,491.52/73,811.98
  6. Step 6: Final answer
    x = 44,114.84

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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.