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Finding the Fourth Proportional to 235,323.76, 324,749.30 and 127,893.80

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Solution

The fourth proportional to 235,323.76, 324,749.30 and 127,893.80 is: 176,494.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,323.76 : 324,749.30 = 127,893.80 : x
  2. Step 2: Convert to fraction form
    235,323.76/324,749.30 = 127,893.80/x
  3. Step 3: Cross multiply
    235,323.76x = 324,749.30 × 127,893.80
  4. Step 4: Simplify right side
    235,323.76x = 41,533,420,720.33
  5. Step 5: Solve for x
    x = 41,533,420,720.33/235,323.76
  6. Step 6: Final answer
    x = 176,494.81

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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.