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Finding the Fourth Proportional to 229,336.20, 343,712.70 and 110,752.20

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Solution

The fourth proportional to 229,336.20, 343,712.70 and 110,752.20 is: 165,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,336.20 : 343,712.70 = 110,752.20 : x
  2. Step 2: Convert to fraction form
    229,336.20/343,712.70 = 110,752.20/x
  3. Step 3: Cross multiply
    229,336.20x = 343,712.70 × 110,752.20
  4. Step 4: Simplify right side
    229,336.20x = 38,066,937,692.94
  5. Step 5: Solve for x
    x = 38,066,937,692.94/229,336.20
  6. Step 6: Final answer
    x = 165,987.48

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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.