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Finding the Fourth Proportional to 185,151.36, 277,740 and 91,632

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Solution

The fourth proportional to 185,151.36, 277,740 and 91,632 is: 137,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,151.36 : 277,740 = 91,632 : x
  2. Step 2: Convert to fraction form
    185,151.36/277,740 = 91,632/x
  3. Step 3: Cross multiply
    185,151.36x = 277,740 × 91,632
  4. Step 4: Simplify right side
    185,151.36x = 25,449,871,680
  5. Step 5: Solve for x
    x = 25,449,871,680/185,151.36
  6. Step 6: Final answer
    x = 137,454.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.