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Finding the Fourth Proportional to 84,359.33, 126,513.43 and 44,356.75

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Solution

The fourth proportional to 84,359.33, 126,513.43 and 44,356.75 is: 66,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,359.33 : 126,513.43 = 44,356.75 : x
  2. Step 2: Convert to fraction form
    84,359.33/126,513.43 = 44,356.75/x
  3. Step 3: Cross multiply
    84,359.33x = 126,513.43 × 44,356.75
  4. Step 4: Simplify right side
    84,359.33x = 5,611,724,787.45
  5. Step 5: Solve for x
    x = 5,611,724,787.45/84,359.33
  6. Step 6: Final answer
    x = 66,521.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.