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Finding the Fourth Proportional to 235,007.70, 324,309.60 and 127,576.86

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Solution

The fourth proportional to 235,007.70, 324,309.60 and 127,576.86 is: 176,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,007.70 : 324,309.60 = 127,576.86 : x
  2. Step 2: Convert to fraction form
    235,007.70/324,309.60 = 127,576.86/x
  3. Step 3: Cross multiply
    235,007.70x = 324,309.60 × 127,576.86
  4. Step 4: Simplify right side
    235,007.70x = 41,374,400,435.86
  5. Step 5: Solve for x
    x = 41,374,400,435.86/235,007.70
  6. Step 6: Final answer
    x = 176,055.51

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1.5x scale

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.