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Finding the Fourth Proportional to 223,014.79, 307,620.43 and 132,306.54

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Solution

The fourth proportional to 223,014.79, 307,620.43 and 132,306.54 is: 182,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,014.79 : 307,620.43 = 132,306.54 : x
  2. Step 2: Convert to fraction form
    223,014.79/307,620.43 = 132,306.54/x
  3. Step 3: Cross multiply
    223,014.79x = 307,620.43 × 132,306.54
  4. Step 4: Simplify right side
    223,014.79x = 40,700,194,851.68
  5. Step 5: Solve for x
    x = 40,700,194,851.68/223,014.79
  6. Step 6: Final answer
    x = 182,499.98

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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.