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Finding the Fourth Proportional to 97,049.80, 133,927.86 and 54,607.48

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Solution

The fourth proportional to 97,049.80, 133,927.86 and 54,607.48 is: 75,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,049.80 : 133,927.86 = 54,607.48 : x
  2. Step 2: Convert to fraction form
    97,049.80/133,927.86 = 54,607.48/x
  3. Step 3: Cross multiply
    97,049.80x = 133,927.86 × 54,607.48
  4. Step 4: Simplify right side
    97,049.80x = 7,313,462,936.39
  5. Step 5: Solve for x
    x = 7,313,462,936.39/97,049.80
  6. Step 6: Final answer
    x = 75,357.84

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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.