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Finding the Fourth Proportional to 91,185.54, 125,835.57 and 52,954.49

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Solution

The fourth proportional to 91,185.54, 125,835.57 and 52,954.49 is: 73,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,185.54 : 125,835.57 = 52,954.49 : x
  2. Step 2: Convert to fraction form
    91,185.54/125,835.57 = 52,954.49/x
  3. Step 3: Cross multiply
    91,185.54x = 125,835.57 × 52,954.49
  4. Step 4: Simplify right side
    91,185.54x = 6,663,558,011.14
  5. Step 5: Solve for x
    x = 6,663,558,011.14/91,185.54
  6. Step 6: Final answer
    x = 73,076.92

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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.