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Finding the Fourth Proportional to 235,255.94, 324,652.65 and 127,826.40

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Solution

The fourth proportional to 235,255.94, 324,652.65 and 127,826.40 is: 176,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,255.94 : 324,652.65 = 127,826.40 : x
  2. Step 2: Convert to fraction form
    235,255.94/324,652.65 = 127,826.40/x
  3. Step 3: Cross multiply
    235,255.94x = 324,652.65 × 127,826.40
  4. Step 4: Simplify right side
    235,255.94x = 41,499,179,499.96
  5. Step 5: Solve for x
    x = 41,499,179,499.96/235,255.94
  6. Step 6: Final answer
    x = 176,400.14

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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.