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Finding the Fourth Proportional to 110,705.70, 166,107.15 and 51,510.90

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Solution

The fourth proportional to 110,705.70, 166,107.15 and 51,510.90 is: 77,288.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,705.70 : 166,107.15 = 51,510.90 : x
  2. Step 2: Convert to fraction form
    110,705.70/166,107.15 = 51,510.90/x
  3. Step 3: Cross multiply
    110,705.70x = 166,107.15 × 51,510.90
  4. Step 4: Simplify right side
    110,705.70x = 8,556,328,792.94
  5. Step 5: Solve for x
    x = 8,556,328,792.94/110,705.70
  6. Step 6: Final answer
    x = 77,288.96

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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.