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Finding the Fourth Proportional to 79,735.47, 119,614.88 and 29,137.01

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Solution

The fourth proportional to 79,735.47, 119,614.88 and 29,137.01 is: 43,709.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,735.47 : 119,614.88 = 29,137.01 : x
  2. Step 2: Convert to fraction form
    79,735.47/119,614.88 = 29,137.01/x
  3. Step 3: Cross multiply
    79,735.47x = 119,614.88 × 29,137.01
  4. Step 4: Simplify right side
    79,735.47x = 3,485,219,210.95
  5. Step 5: Solve for x
    x = 3,485,219,210.95/79,735.47
  6. Step 6: Final answer
    x = 43,709.77

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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.