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Finding the Fourth Proportional to 163,279.52, 244,831.80 and 74,485.16

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Solution

The fourth proportional to 163,279.52, 244,831.80 and 74,485.16 is: 111,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,279.52 : 244,831.80 = 74,485.16 : x
  2. Step 2: Convert to fraction form
    163,279.52/244,831.80 = 74,485.16/x
  3. Step 3: Cross multiply
    163,279.52x = 244,831.80 × 74,485.16
  4. Step 4: Simplify right side
    163,279.52x = 18,236,335,796.09
  5. Step 5: Solve for x
    x = 18,236,335,796.09/163,279.52
  6. Step 6: Final answer
    x = 111,687.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.