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Finding the Fourth Proportional to 117,096.92, 175,645.50 and 54,811.16

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Solution

The fourth proportional to 117,096.92, 175,645.50 and 54,811.16 is: 82,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,096.92 : 175,645.50 = 54,811.16 : x
  2. Step 2: Convert to fraction form
    117,096.92/175,645.50 = 54,811.16/x
  3. Step 3: Cross multiply
    117,096.92x = 175,645.50 × 54,811.16
  4. Step 4: Simplify right side
    117,096.92x = 9,627,333,603.78
  5. Step 5: Solve for x
    x = 9,627,333,603.78/117,096.92
  6. Step 6: Final answer
    x = 82,216.80

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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.