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Finding the Fourth Proportional to 69,807.33, 104,739.03 and 25,437.15

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Solution

The fourth proportional to 69,807.33, 104,739.03 and 25,437.15 is: 38,165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,807.33 : 104,739.03 = 25,437.15 : x
  2. Step 2: Convert to fraction form
    69,807.33/104,739.03 = 25,437.15/x
  3. Step 3: Cross multiply
    69,807.33x = 104,739.03 × 25,437.15
  4. Step 4: Simplify right side
    69,807.33x = 2,664,262,416.96
  5. Step 5: Solve for x
    x = 2,664,262,416.96/69,807.33
  6. Step 6: Final answer
    x = 38,165.94

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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.