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Finding the Fourth Proportional to 84,812.09, 127,100.43 and 37,356.02

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Solution

The fourth proportional to 84,812.09, 127,100.43 and 37,356.02 is: 55,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,812.09 : 127,100.43 = 37,356.02 : x
  2. Step 2: Convert to fraction form
    84,812.09/127,100.43 = 37,356.02/x
  3. Step 3: Cross multiply
    84,812.09x = 127,100.43 × 37,356.02
  4. Step 4: Simplify right side
    84,812.09x = 4,747,965,569.59
  5. Step 5: Solve for x
    x = 4,747,965,569.59/84,812.09
  6. Step 6: Final answer
    x = 55,982.18

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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.