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Finding the Fourth Proportional to 97,687.58, 134,816.10 and 54,671.38

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Solution

The fourth proportional to 97,687.58, 134,816.10 and 54,671.38 is: 75,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,687.58 : 134,816.10 = 54,671.38 : x
  2. Step 2: Convert to fraction form
    97,687.58/134,816.10 = 54,671.38/x
  3. Step 3: Cross multiply
    97,687.58x = 134,816.10 × 54,671.38
  4. Step 4: Simplify right side
    97,687.58x = 7,370,582,233.22
  5. Step 5: Solve for x
    x = 7,370,582,233.22/97,687.58
  6. Step 6: Final answer
    x = 75,450.56

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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.