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Finding the Fourth Proportional to 235,499.76, 324,824.94 and 154,901.52

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Solution

The fourth proportional to 235,499.76, 324,824.94 and 154,901.52 is: 213,655.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,499.76 : 324,824.94 = 154,901.52 : x
  2. Step 2: Convert to fraction form
    235,499.76/324,824.94 = 154,901.52/x
  3. Step 3: Cross multiply
    235,499.76x = 324,824.94 × 154,901.52
  4. Step 4: Simplify right side
    235,499.76x = 50,315,876,939.91
  5. Step 5: Solve for x
    x = 50,315,876,939.91/235,499.76
  6. Step 6: Final answer
    x = 213,655.75

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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.