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Finding the Fourth Proportional to 114,133.96, 171,237.39 and 54,975.61

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Solution

The fourth proportional to 114,133.96, 171,237.39 and 54,975.61 is: 82,480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,133.96 : 171,237.39 = 54,975.61 : x
  2. Step 2: Convert to fraction form
    114,133.96/171,237.39 = 54,975.61/x
  3. Step 3: Cross multiply
    114,133.96x = 171,237.39 × 54,975.61
  4. Step 4: Simplify right side
    114,133.96x = 9,413,878,838.99
  5. Step 5: Solve for x
    x = 9,413,878,838.99/114,133.96
  6. Step 6: Final answer
    x = 82,480.97

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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.