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Finding the Fourth Proportional to 69,099.26, 103,482.79 and 39,427.14

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Solution

The fourth proportional to 69,099.26, 103,482.79 and 39,427.14 is: 59,045.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,099.26 : 103,482.79 = 39,427.14 : x
  2. Step 2: Convert to fraction form
    69,099.26/103,482.79 = 39,427.14/x
  3. Step 3: Cross multiply
    69,099.26x = 103,482.79 × 39,427.14
  4. Step 4: Simplify right side
    69,099.26x = 4,080,030,448.92
  5. Step 5: Solve for x
    x = 4,080,030,448.92/69,099.26
  6. Step 6: Final answer
    x = 59,045.94

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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.