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Finding the Fourth Proportional to 69,008.70, 103,357.53 and 41,248.38

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Solution

The fourth proportional to 69,008.70, 103,357.53 and 41,248.38 is: 61,779.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,008.70 : 103,357.53 = 41,248.38 : x
  2. Step 2: Convert to fraction form
    69,008.70/103,357.53 = 41,248.38/x
  3. Step 3: Cross multiply
    69,008.70x = 103,357.53 × 41,248.38
  4. Step 4: Simplify right side
    69,008.70x = 4,263,330,673.30
  5. Step 5: Solve for x
    x = 4,263,330,673.30/69,008.70
  6. Step 6: Final answer
    x = 61,779.61

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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.