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Finding the Fourth Proportional to 84,349.84, 126,527.03 and 36,940.54

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Solution

The fourth proportional to 84,349.84, 126,527.03 and 36,940.54 is: 55,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,349.84 : 126,527.03 = 36,940.54 : x
  2. Step 2: Convert to fraction form
    84,349.84/126,527.03 = 36,940.54/x
  3. Step 3: Cross multiply
    84,349.84x = 126,527.03 × 36,940.54
  4. Step 4: Simplify right side
    84,349.84x = 4,673,975,995.46
  5. Step 5: Solve for x
    x = 4,673,975,995.46/84,349.84
  6. Step 6: Final answer
    x = 55,411.80

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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.