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Finding the Fourth Proportional to 230,352.28, 345,533.90 and 61,872.82

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Solution

The fourth proportional to 230,352.28, 345,533.90 and 61,872.82 is: 92,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,352.28 : 345,533.90 = 61,872.82 : x
  2. Step 2: Convert to fraction form
    230,352.28/345,533.90 = 61,872.82/x
  3. Step 3: Cross multiply
    230,352.28x = 345,533.90 × 61,872.82
  4. Step 4: Simplify right side
    230,352.28x = 21,379,156,798.60
  5. Step 5: Solve for x
    x = 21,379,156,798.60/230,352.28
  6. Step 6: Final answer
    x = 92,810.70

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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.