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Finding the Fourth Proportional to 117,359.99, 161,953.93 and 67,055.75

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Solution

The fourth proportional to 117,359.99, 161,953.93 and 67,055.75 is: 92,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,359.99 : 161,953.93 = 67,055.75 : x
  2. Step 2: Convert to fraction form
    117,359.99/161,953.93 = 67,055.75/x
  3. Step 3: Cross multiply
    117,359.99x = 161,953.93 × 67,055.75
  4. Step 4: Simplify right side
    117,359.99x = 10,859,942,241.60
  5. Step 5: Solve for x
    x = 10,859,942,241.60/117,359.99
  6. Step 6: Final answer
    x = 92,535.30

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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.