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Finding the Fourth Proportional to 69,475.26, 95,874.60 and 39,259.93

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Solution

The fourth proportional to 69,475.26, 95,874.60 and 39,259.93 is: 54,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,475.26 : 95,874.60 = 39,259.93 : x
  2. Step 2: Convert to fraction form
    69,475.26/95,874.60 = 39,259.93/x
  3. Step 3: Cross multiply
    69,475.26x = 95,874.60 × 39,259.93
  4. Step 4: Simplify right side
    69,475.26x = 3,764,030,084.78
  5. Step 5: Solve for x
    x = 3,764,030,084.78/69,475.26
  6. Step 6: Final answer
    x = 54,178.00

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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.