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Finding the Fourth Proportional to 230,299.96, 345,215.91 and 95,437.40

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Solution

The fourth proportional to 230,299.96, 345,215.91 and 95,437.40 is: 143,059.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,299.96 : 345,215.91 = 95,437.40 : x
  2. Step 2: Convert to fraction form
    230,299.96/345,215.91 = 95,437.40/x
  3. Step 3: Cross multiply
    230,299.96x = 345,215.91 × 95,437.40
  4. Step 4: Simplify right side
    230,299.96x = 32,946,509,573.13
  5. Step 5: Solve for x
    x = 32,946,509,573.13/230,299.96
  6. Step 6: Final answer
    x = 143,059.12

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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.