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Finding the Fourth Proportional to 229,331.43, 343,864.68 and 88,926.03

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Solution

The fourth proportional to 229,331.43, 343,864.68 and 88,926.03 is: 133,337.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,331.43 : 343,864.68 = 88,926.03 : x
  2. Step 2: Convert to fraction form
    229,331.43/343,864.68 = 88,926.03/x
  3. Step 3: Cross multiply
    229,331.43x = 343,864.68 × 88,926.03
  4. Step 4: Simplify right side
    229,331.43x = 30,578,520,849.62
  5. Step 5: Solve for x
    x = 30,578,520,849.62/229,331.43
  6. Step 6: Final answer
    x = 133,337.68

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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.