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Finding the Fourth Proportional to 235,054.85, 324,375.71 and 127,624.95

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Solution

The fourth proportional to 235,054.85, 324,375.71 and 127,624.95 is: 176,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,054.85 : 324,375.71 = 127,624.95 : x
  2. Step 2: Convert to fraction form
    235,054.85/324,375.71 = 127,624.95/x
  3. Step 3: Cross multiply
    235,054.85x = 324,375.71 × 127,624.95
  4. Step 4: Simplify right side
    235,054.85x = 41,398,433,131.84
  5. Step 5: Solve for x
    x = 41,398,433,131.84/235,054.85
  6. Step 6: Final answer
    x = 176,122.44

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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.