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Finding the Fourth Proportional to 223,163.48, 334,801.88 and 103,306.84

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Solution

The fourth proportional to 223,163.48, 334,801.88 and 103,306.84 is: 154,986.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,163.48 : 334,801.88 = 103,306.84 : x
  2. Step 2: Convert to fraction form
    223,163.48/334,801.88 = 103,306.84/x
  3. Step 3: Cross multiply
    223,163.48x = 334,801.88 × 103,306.84
  4. Step 4: Simplify right side
    223,163.48x = 34,587,324,248.86
  5. Step 5: Solve for x
    x = 34,587,324,248.86/223,163.48
  6. Step 6: Final answer
    x = 154,986.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.