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Finding the Fourth Proportional to 84,477.33, 126,734.22 and 25,318.17

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Solution

The fourth proportional to 84,477.33, 126,734.22 and 25,318.17 is: 37,982.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,477.33 : 126,734.22 = 25,318.17 : x
  2. Step 2: Convert to fraction form
    84,477.33/126,734.22 = 25,318.17/x
  3. Step 3: Cross multiply
    84,477.33x = 126,734.22 × 25,318.17
  4. Step 4: Simplify right side
    84,477.33x = 3,208,678,526.78
  5. Step 5: Solve for x
    x = 3,208,678,526.78/84,477.33
  6. Step 6: Final answer
    x = 37,982.72

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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.