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Finding the Fourth Proportional to 156,195.75, 234,302.72 and 43,884.72

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Solution

The fourth proportional to 156,195.75, 234,302.72 and 43,884.72 is: 65,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,195.75 : 234,302.72 = 43,884.72 : x
  2. Step 2: Convert to fraction form
    156,195.75/234,302.72 = 43,884.72/x
  3. Step 3: Cross multiply
    156,195.75x = 234,302.72 × 43,884.72
  4. Step 4: Simplify right side
    156,195.75x = 10,282,309,043.01
  5. Step 5: Solve for x
    x = 10,282,309,043.01/156,195.75
  6. Step 6: Final answer
    x = 65,829.63

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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.