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Finding the Fourth Proportional to 168,374.55, 232,361.70 and 91,898.52

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Solution

The fourth proportional to 168,374.55, 232,361.70 and 91,898.52 is: 126,822.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,374.55 : 232,361.70 = 91,898.52 : x
  2. Step 2: Convert to fraction form
    168,374.55/232,361.70 = 91,898.52/x
  3. Step 3: Cross multiply
    168,374.55x = 232,361.70 × 91,898.52
  4. Step 4: Simplify right side
    168,374.55x = 21,353,696,334.68
  5. Step 5: Solve for x
    x = 21,353,696,334.68/168,374.55
  6. Step 6: Final answer
    x = 126,822.59

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Why These Related Problems?

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