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Finding the Fourth Proportional to 68,267.50, 102,349.32 and 37,059.82

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Solution

The fourth proportional to 68,267.50, 102,349.32 and 37,059.82 is: 55,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,267.50 : 102,349.32 = 37,059.82 : x
  2. Step 2: Convert to fraction form
    68,267.50/102,349.32 = 37,059.82/x
  3. Step 3: Cross multiply
    68,267.50x = 102,349.32 × 37,059.82
  4. Step 4: Simplify right side
    68,267.50x = 3,793,047,376.32
  5. Step 5: Solve for x
    x = 3,793,047,376.32/68,267.50
  6. Step 6: Final answer
    x = 55,561.54

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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.