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Finding the Fourth Proportional to 69,059.68, 95,299.52 and 40,774.48

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Solution

The fourth proportional to 69,059.68, 95,299.52 and 40,774.48 is: 56,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,059.68 : 95,299.52 = 40,774.48 : x
  2. Step 2: Convert to fraction form
    69,059.68/95,299.52 = 40,774.48/x
  3. Step 3: Cross multiply
    69,059.68x = 95,299.52 × 40,774.48
  4. Step 4: Simplify right side
    69,059.68x = 3,885,788,372.25
  5. Step 5: Solve for x
    x = 3,885,788,372.25/69,059.68
  6. Step 6: Final answer
    x = 56,267.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.