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Finding the Fourth Proportional to 156,996.63, 235,543.95 and 51,889.41

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Solution

The fourth proportional to 156,996.63, 235,543.95 and 51,889.41 is: 77,850.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,996.63 : 235,543.95 = 51,889.41 : x
  2. Step 2: Convert to fraction form
    156,996.63/235,543.95 = 51,889.41/x
  3. Step 3: Cross multiply
    156,996.63x = 235,543.95 × 51,889.41
  4. Step 4: Simplify right side
    156,996.63x = 12,222,236,594.57
  5. Step 5: Solve for x
    x = 12,222,236,594.57/156,996.63
  6. Step 6: Final answer
    x = 77,850.31

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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.