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Finding the Fourth Proportional to 235,316.54, 324,765.16 and 134,712.38

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Solution

The fourth proportional to 235,316.54, 324,765.16 and 134,712.38 is: 185,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,316.54 : 324,765.16 = 134,712.38 : x
  2. Step 2: Convert to fraction form
    235,316.54/324,765.16 = 134,712.38/x
  3. Step 3: Cross multiply
    235,316.54x = 324,765.16 × 134,712.38
  4. Step 4: Simplify right side
    235,316.54x = 43,749,885,684.07
  5. Step 5: Solve for x
    x = 43,749,885,684.07/235,316.54
  6. Step 6: Final answer
    x = 185,919.30

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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.