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Finding the Fourth Proportional to 235,054.98, 324,381.51 and 127,629.54

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Solution

The fourth proportional to 235,054.98, 324,381.51 and 127,629.54 is: 176,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,054.98 : 324,381.51 = 127,629.54 : x
  2. Step 2: Convert to fraction form
    235,054.98/324,381.51 = 127,629.54/x
  3. Step 3: Cross multiply
    235,054.98x = 324,381.51 × 127,629.54
  4. Step 4: Simplify right side
    235,054.98x = 41,400,662,905.81
  5. Step 5: Solve for x
    x = 41,400,662,905.81/235,054.98
  6. Step 6: Final answer
    x = 176,131.83

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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.