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Finding the Fourth Proportional to 183,868.80, 276,062.40 and 113,884.80

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Solution

The fourth proportional to 183,868.80, 276,062.40 and 113,884.80 is: 170,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,868.80 : 276,062.40 = 113,884.80 : x
  2. Step 2: Convert to fraction form
    183,868.80/276,062.40 = 113,884.80/x
  3. Step 3: Cross multiply
    183,868.80x = 276,062.40 × 113,884.80
  4. Step 4: Simplify right side
    183,868.80x = 31,439,311,211.52
  5. Step 5: Solve for x
    x = 31,439,311,211.52/183,868.80
  6. Step 6: Final answer
    x = 170,987.74

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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.