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Finding the Fourth Proportional to 82,556.40, 113,928.46 and 44,830.64

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Solution

The fourth proportional to 82,556.40, 113,928.46 and 44,830.64 is: 61,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,556.40 : 113,928.46 = 44,830.64 : x
  2. Step 2: Convert to fraction form
    82,556.40/113,928.46 = 44,830.64/x
  3. Step 3: Cross multiply
    82,556.40x = 113,928.46 × 44,830.64
  4. Step 4: Simplify right side
    82,556.40x = 5,107,485,776.01
  5. Step 5: Solve for x
    x = 5,107,485,776.01/82,556.40
  6. Step 6: Final answer
    x = 61,866.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.