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Finding the Fourth Proportional to 69,253.01, 103,842.55 and 35,939.53

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Solution

The fourth proportional to 69,253.01, 103,842.55 and 35,939.53 is: 53,890.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,253.01 : 103,842.55 = 35,939.53 : x
  2. Step 2: Convert to fraction form
    69,253.01/103,842.55 = 35,939.53/x
  3. Step 3: Cross multiply
    69,253.01x = 103,842.55 × 35,939.53
  4. Step 4: Simplify right side
    69,253.01x = 3,732,052,441.00
  5. Step 5: Solve for x
    x = 3,732,052,441.00/69,253.01
  6. Step 6: Final answer
    x = 53,890.11

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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.