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Finding the Fourth Proportional to 69,871.56, 104,823.58 and 19,952.32

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Solution

The fourth proportional to 69,871.56, 104,823.58 and 19,952.32 is: 29,933.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,871.56 : 104,823.58 = 19,952.32 : x
  2. Step 2: Convert to fraction form
    69,871.56/104,823.58 = 19,952.32/x
  3. Step 3: Cross multiply
    69,871.56x = 104,823.58 × 19,952.32
  4. Step 4: Simplify right side
    69,871.56x = 2,091,473,611.71
  5. Step 5: Solve for x
    x = 2,091,473,611.71/69,871.56
  6. Step 6: Final answer
    x = 29,933.12

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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.