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Finding the Fourth Proportional to 82,400.66, 113,712.54 and 44,674.90

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Solution

The fourth proportional to 82,400.66, 113,712.54 and 44,674.90 is: 61,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,400.66 : 113,712.54 = 44,674.90 : x
  2. Step 2: Convert to fraction form
    82,400.66/113,712.54 = 44,674.90/x
  3. Step 3: Cross multiply
    82,400.66x = 113,712.54 × 44,674.90
  4. Step 4: Simplify right side
    82,400.66x = 5,080,096,353.25
  5. Step 5: Solve for x
    x = 5,080,096,353.25/82,400.66
  6. Step 6: Final answer
    x = 61,651.16

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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.