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Finding the Fourth Proportional to 174,952.90, 262,429.35 and 69,847.30

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Solution

The fourth proportional to 174,952.90, 262,429.35 and 69,847.30 is: 104,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,952.90 : 262,429.35 = 69,847.30 : x
  2. Step 2: Convert to fraction form
    174,952.90/262,429.35 = 69,847.30/x
  3. Step 3: Cross multiply
    174,952.90x = 262,429.35 × 69,847.30
  4. Step 4: Simplify right side
    174,952.90x = 18,329,981,538.26
  5. Step 5: Solve for x
    x = 18,329,981,538.26/174,952.90
  6. Step 6: Final answer
    x = 104,770.95

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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.