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Finding the Fourth Proportional to 229,690.38, 344,534.38 and 58,911.30

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Solution

The fourth proportional to 229,690.38, 344,534.38 and 58,911.30 is: 88,366.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,690.38 : 344,534.38 = 58,911.30 : x
  2. Step 2: Convert to fraction form
    229,690.38/344,534.38 = 58,911.30/x
  3. Step 3: Cross multiply
    229,690.38x = 344,534.38 × 58,911.30
  4. Step 4: Simplify right side
    229,690.38x = 20,296,968,073.22
  5. Step 5: Solve for x
    x = 20,296,968,073.22/229,690.38
  6. Step 6: Final answer
    x = 88,366.64

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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.