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Finding the Fourth Proportional to 229,643.49, 343,818.21 and 173,304.55

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Solution

The fourth proportional to 229,643.49, 343,818.21 and 173,304.55 is: 259,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,643.49 : 343,818.21 = 173,304.55 : x
  2. Step 2: Convert to fraction form
    229,643.49/343,818.21 = 173,304.55/x
  3. Step 3: Cross multiply
    229,643.49x = 343,818.21 × 173,304.55
  4. Step 4: Simplify right side
    229,643.49x = 59,585,260,165.86
  5. Step 5: Solve for x
    x = 59,585,260,165.86/229,643.49
  6. Step 6: Final answer
    x = 259,468.54

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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.