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Finding the Fourth Proportional to 82,355.60, 113,650.76 and 44,629.68

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Solution

The fourth proportional to 82,355.60, 113,650.76 and 44,629.68 is: 61,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,355.60 : 113,650.76 = 44,629.68 : x
  2. Step 2: Convert to fraction form
    82,355.60/113,650.76 = 44,629.68/x
  3. Step 3: Cross multiply
    82,355.60x = 113,650.76 × 44,629.68
  4. Step 4: Simplify right side
    82,355.60x = 5,072,197,050.56
  5. Step 5: Solve for x
    x = 5,072,197,050.56/82,355.60
  6. Step 6: Final answer
    x = 61,588.98

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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.