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Finding the Fourth Proportional to 185,552.50, 277,960.11 and 91,772.02

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Solution

The fourth proportional to 185,552.50, 277,960.11 and 91,772.02 is: 137,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,552.50 : 277,960.11 = 91,772.02 : x
  2. Step 2: Convert to fraction form
    185,552.50/277,960.11 = 91,772.02/x
  3. Step 3: Cross multiply
    185,552.50x = 277,960.11 × 91,772.02
  4. Step 4: Simplify right side
    185,552.50x = 25,508,960,774.12
  5. Step 5: Solve for x
    x = 25,508,960,774.12/185,552.50
  6. Step 6: Final answer
    x = 137,475.71

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Why These Related Problems?

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