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Finding the Fourth Proportional to 229,314.56, 343,839 and 88,908.80

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Solution

The fourth proportional to 229,314.56, 343,839 and 88,908.80 is: 133,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,314.56 : 343,839 = 88,908.80 : x
  2. Step 2: Convert to fraction form
    229,314.56/343,839 = 88,908.80/x
  3. Step 3: Cross multiply
    229,314.56x = 343,839 × 88,908.80
  4. Step 4: Simplify right side
    229,314.56x = 30,570,312,883.20
  5. Step 5: Solve for x
    x = 30,570,312,883.20/229,314.56
  6. Step 6: Final answer
    x = 133,311.70

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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.