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Finding the Fourth Proportional to 232,673.88, 321,040.14 and 135,833.76

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Solution

The fourth proportional to 232,673.88, 321,040.14 and 135,833.76 is: 187,421.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,673.88 : 321,040.14 = 135,833.76 : x
  2. Step 2: Convert to fraction form
    232,673.88/321,040.14 = 135,833.76/x
  3. Step 3: Cross multiply
    232,673.88x = 321,040.14 × 135,833.76
  4. Step 4: Simplify right side
    232,673.88x = 43,608,089,581.81
  5. Step 5: Solve for x
    x = 43,608,089,581.81/232,673.88
  6. Step 6: Final answer
    x = 187,421.51

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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.