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Finding the Fourth Proportional to 123,652.26, 170,624.61 and 69,202.98

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Solution

The fourth proportional to 123,652.26, 170,624.61 and 69,202.98 is: 95,491.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,652.26 : 170,624.61 = 69,202.98 : x
  2. Step 2: Convert to fraction form
    123,652.26/170,624.61 = 69,202.98/x
  3. Step 3: Cross multiply
    123,652.26x = 170,624.61 × 69,202.98
  4. Step 4: Simplify right side
    123,652.26x = 11,807,731,473.34
  5. Step 5: Solve for x
    x = 11,807,731,473.34/123,652.26
  6. Step 6: Final answer
    x = 95,491.43

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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.