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Finding the Fourth Proportional to 156,691.86, 216,238.41 and 93,029.82

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Solution

The fourth proportional to 156,691.86, 216,238.41 and 93,029.82 is: 128,383.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,691.86 : 216,238.41 = 93,029.82 : x
  2. Step 2: Convert to fraction form
    156,691.86/216,238.41 = 93,029.82/x
  3. Step 3: Cross multiply
    156,691.86x = 216,238.41 × 93,029.82
  4. Step 4: Simplify right side
    156,691.86x = 20,116,620,359.39
  5. Step 5: Solve for x
    x = 20,116,620,359.39/156,691.86
  6. Step 6: Final answer
    x = 128,383.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.