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Finding the Fourth Proportional to 82,665.90, 114,080.07 and 44,940.96

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Solution

The fourth proportional to 82,665.90, 114,080.07 and 44,940.96 is: 62,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,665.90 : 114,080.07 = 44,940.96 : x
  2. Step 2: Convert to fraction form
    82,665.90/114,080.07 = 44,940.96/x
  3. Step 3: Cross multiply
    82,665.90x = 114,080.07 × 44,940.96
  4. Step 4: Simplify right side
    82,665.90x = 5,126,867,862.67
  5. Step 5: Solve for x
    x = 5,126,867,862.67/82,665.90
  6. Step 6: Final answer
    x = 62,019.14

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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.