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Finding the Fourth Proportional to 69,742, 104,659.08 and 32,808.88

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Solution

The fourth proportional to 69,742, 104,659.08 and 32,808.88 is: 49,235.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,742 : 104,659.08 = 32,808.88 : x
  2. Step 2: Convert to fraction form
    69,742/104,659.08 = 32,808.88/x
  3. Step 3: Cross multiply
    69,742x = 104,659.08 × 32,808.88
  4. Step 4: Simplify right side
    69,742x = 3,433,747,196.63
  5. Step 5: Solve for x
    x = 3,433,747,196.63/69,742
  6. Step 6: Final answer
    x = 49,235.00

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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.