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Finding the Fourth Proportional to 131,796.92, 197,693.53 and 31,957.94

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Solution

The fourth proportional to 131,796.92, 197,693.53 and 31,957.94 is: 47,936.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,796.92 : 197,693.53 = 31,957.94 : x
  2. Step 2: Convert to fraction form
    131,796.92/197,693.53 = 31,957.94/x
  3. Step 3: Cross multiply
    131,796.92x = 197,693.53 × 31,957.94
  4. Step 4: Simplify right side
    131,796.92x = 6,317,878,384.47
  5. Step 5: Solve for x
    x = 6,317,878,384.47/131,796.92
  6. Step 6: Final answer
    x = 47,936.46

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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.