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Finding the Fourth Proportional to 69,356.40, 104,034.63 and 16,765.89

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Solution

The fourth proportional to 69,356.40, 104,034.63 and 16,765.89 is: 25,148.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,356.40 : 104,034.63 = 16,765.89 : x
  2. Step 2: Convert to fraction form
    69,356.40/104,034.63 = 16,765.89/x
  3. Step 3: Cross multiply
    69,356.40x = 104,034.63 × 16,765.89
  4. Step 4: Simplify right side
    69,356.40x = 1,744,233,162.77
  5. Step 5: Solve for x
    x = 1,744,233,162.77/69,356.40
  6. Step 6: Final answer
    x = 25,148.84

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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.