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Finding the Fourth Proportional to 117,224.26, 161,769.33 and 63,509.50

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Solution

The fourth proportional to 117,224.26, 161,769.33 and 63,509.50 is: 87,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,224.26 : 161,769.33 = 63,509.50 : x
  2. Step 2: Convert to fraction form
    117,224.26/161,769.33 = 63,509.50/x
  3. Step 3: Cross multiply
    117,224.26x = 161,769.33 × 63,509.50
  4. Step 4: Simplify right side
    117,224.26x = 10,273,889,263.64
  5. Step 5: Solve for x
    x = 10,273,889,263.64/117,224.26
  6. Step 6: Final answer
    x = 87,643.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.