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Finding the Fourth Proportional to 116,485.56, 160,749.26 and 66,184.56

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Solution

The fourth proportional to 116,485.56, 160,749.26 and 66,184.56 is: 91,334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,485.56 : 160,749.26 = 66,184.56 : x
  2. Step 2: Convert to fraction form
    116,485.56/160,749.26 = 66,184.56/x
  3. Step 3: Cross multiply
    116,485.56x = 160,749.26 × 66,184.56
  4. Step 4: Simplify right side
    116,485.56x = 10,639,118,282.53
  5. Step 5: Solve for x
    x = 10,639,118,282.53/116,485.56
  6. Step 6: Final answer
    x = 91,334.23

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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.