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Finding the Fourth Proportional to 167,145.90, 250,800.69 and 82,914.06

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Solution

The fourth proportional to 167,145.90, 250,800.69 and 82,914.06 is: 124,411.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,145.90 : 250,800.69 = 82,914.06 : x
  2. Step 2: Convert to fraction form
    167,145.90/250,800.69 = 82,914.06/x
  3. Step 3: Cross multiply
    167,145.90x = 250,800.69 × 82,914.06
  4. Step 4: Simplify right side
    167,145.90x = 20,794,903,458.70
  5. Step 5: Solve for x
    x = 20,794,903,458.70/167,145.90
  6. Step 6: Final answer
    x = 124,411.69

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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.