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Finding the Fourth Proportional to 117,351.04, 161,947.02 and 69,586.96

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Solution

The fourth proportional to 117,351.04, 161,947.02 and 69,586.96 is: 96,031.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,351.04 : 161,947.02 = 69,586.96 : x
  2. Step 2: Convert to fraction form
    117,351.04/161,947.02 = 69,586.96/x
  3. Step 3: Cross multiply
    117,351.04x = 161,947.02 × 69,586.96
  4. Step 4: Simplify right side
    117,351.04x = 11,269,400,802.86
  5. Step 5: Solve for x
    x = 11,269,400,802.86/117,351.04
  6. Step 6: Final answer
    x = 96,031.54

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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.