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Finding the Fourth Proportional to 132,996.53, 183,562.53 and 81,322.46

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Solution

The fourth proportional to 132,996.53, 183,562.53 and 81,322.46 is: 112,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,996.53 : 183,562.53 = 81,322.46 : x
  2. Step 2: Convert to fraction form
    132,996.53/183,562.53 = 81,322.46/x
  3. Step 3: Cross multiply
    132,996.53x = 183,562.53 × 81,322.46
  4. Step 4: Simplify right side
    132,996.53x = 14,927,757,230.27
  5. Step 5: Solve for x
    x = 14,927,757,230.27/132,996.53
  6. Step 6: Final answer
    x = 112,241.70

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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.