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Finding the Fourth Proportional to 110,644.87, 165,967.41 and 47,423.97

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Solution

The fourth proportional to 110,644.87, 165,967.41 and 47,423.97 is: 71,136.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,644.87 : 165,967.41 = 47,423.97 : x
  2. Step 2: Convert to fraction form
    110,644.87/165,967.41 = 47,423.97/x
  3. Step 3: Cross multiply
    110,644.87x = 165,967.41 × 47,423.97
  4. Step 4: Simplify right side
    110,644.87x = 7,870,833,472.82
  5. Step 5: Solve for x
    x = 7,870,833,472.82/110,644.87
  6. Step 6: Final answer
    x = 71,136.00

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1.5x scale

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.