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Finding the Fourth Proportional to 82,602, 113,990.76 and 44,877.06

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Solution

The fourth proportional to 82,602, 113,990.76 and 44,877.06 is: 61,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,602 : 113,990.76 = 44,877.06 : x
  2. Step 2: Convert to fraction form
    82,602/113,990.76 = 44,877.06/x
  3. Step 3: Cross multiply
    82,602x = 113,990.76 × 44,877.06
  4. Step 4: Simplify right side
    82,602x = 5,115,570,175.97
  5. Step 5: Solve for x
    x = 5,115,570,175.97/82,602
  6. Step 6: Final answer
    x = 61,930.34

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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.