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Finding the Fourth Proportional to 117,224.25, 175,334.01 and 108,715.47

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Solution

The fourth proportional to 117,224.25, 175,334.01 and 108,715.47 is: 162,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,224.25 : 175,334.01 = 108,715.47 : x
  2. Step 2: Convert to fraction form
    117,224.25/175,334.01 = 108,715.47/x
  3. Step 3: Cross multiply
    117,224.25x = 175,334.01 × 108,715.47
  4. Step 4: Simplify right side
    117,224.25x = 19,061,519,304.13
  5. Step 5: Solve for x
    x = 19,061,519,304.13/117,224.25
  6. Step 6: Final answer
    x = 162,607.30

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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.