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Finding the Fourth Proportional to 235,470.44, 324,978.66 and 134,868.52

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Solution

The fourth proportional to 235,470.44, 324,978.66 and 134,868.52 is: 186,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,470.44 : 324,978.66 = 134,868.52 : x
  2. Step 2: Convert to fraction form
    235,470.44/324,978.66 = 134,868.52/x
  3. Step 3: Cross multiply
    235,470.44x = 324,978.66 × 134,868.52
  4. Step 4: Simplify right side
    235,470.44x = 43,829,390,905.78
  5. Step 5: Solve for x
    x = 43,829,390,905.78/235,470.44
  6. Step 6: Final answer
    x = 186,135.43

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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.