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Finding the Fourth Proportional to 114,783.19, 172,187.88 and 30,546.82

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Solution

The fourth proportional to 114,783.19, 172,187.88 and 30,546.82 is: 45,823.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,783.19 : 172,187.88 = 30,546.82 : x
  2. Step 2: Convert to fraction form
    114,783.19/172,187.88 = 30,546.82/x
  3. Step 3: Cross multiply
    114,783.19x = 172,187.88 × 30,546.82
  4. Step 4: Simplify right side
    114,783.19x = 5,259,792,176.54
  5. Step 5: Solve for x
    x = 5,259,792,176.54/114,783.19
  6. Step 6: Final answer
    x = 45,823.71

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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.