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Finding the Fourth Proportional to 121,884.96, 182,850.33 and 55,329.77

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Solution

The fourth proportional to 121,884.96, 182,850.33 and 55,329.77 is: 83,005.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,884.96 : 182,850.33 = 55,329.77 : x
  2. Step 2: Convert to fraction form
    121,884.96/182,850.33 = 55,329.77/x
  3. Step 3: Cross multiply
    121,884.96x = 182,850.33 × 55,329.77
  4. Step 4: Simplify right side
    121,884.96x = 10,117,065,789.07
  5. Step 5: Solve for x
    x = 10,117,065,789.07/121,884.96
  6. Step 6: Final answer
    x = 83,005.04

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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.