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Finding the Fourth Proportional to 229,026.96, 343,189.98 and 122,425.98

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Solution

The fourth proportional to 229,026.96, 343,189.98 and 122,425.98 is: 183,451.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,026.96 : 343,189.98 = 122,425.98 : x
  2. Step 2: Convert to fraction form
    229,026.96/343,189.98 = 122,425.98/x
  3. Step 3: Cross multiply
    229,026.96x = 343,189.98 × 122,425.98
  4. Step 4: Simplify right side
    229,026.96x = 42,015,369,627.68
  5. Step 5: Solve for x
    x = 42,015,369,627.68/229,026.96
  6. Step 6: Final answer
    x = 183,451.63

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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.