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Finding the Fourth Proportional to 169,485.76, 233,889.60 and 94,034.08

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Solution

The fourth proportional to 169,485.76, 233,889.60 and 94,034.08 is: 129,766.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,485.76 : 233,889.60 = 94,034.08 : x
  2. Step 2: Convert to fraction form
    169,485.76/233,889.60 = 94,034.08/x
  3. Step 3: Cross multiply
    169,485.76x = 233,889.60 × 94,034.08
  4. Step 4: Simplify right side
    169,485.76x = 21,993,593,357.57
  5. Step 5: Solve for x
    x = 21,993,593,357.57/169,485.76
  6. Step 6: Final answer
    x = 129,766.61

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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.