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Finding the Fourth Proportional to 156,773.80, 235,201.22 and 68,007

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Solution

The fourth proportional to 156,773.80, 235,201.22 and 68,007 is: 102,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,773.80 : 235,201.22 = 68,007 : x
  2. Step 2: Convert to fraction form
    156,773.80/235,201.22 = 68,007/x
  3. Step 3: Cross multiply
    156,773.80x = 235,201.22 × 68,007
  4. Step 4: Simplify right side
    156,773.80x = 15,995,329,368.54
  5. Step 5: Solve for x
    x = 15,995,329,368.54/156,773.80
  6. Step 6: Final answer
    x = 102,028.08

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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.