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Finding the Fourth Proportional to 200,166.59, 300,250.09 and 81,837.93

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Solution

The fourth proportional to 200,166.59, 300,250.09 and 81,837.93 is: 122,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,166.59 : 300,250.09 = 81,837.93 : x
  2. Step 2: Convert to fraction form
    200,166.59/300,250.09 = 81,837.93/x
  3. Step 3: Cross multiply
    200,166.59x = 300,250.09 × 81,837.93
  4. Step 4: Simplify right side
    200,166.59x = 24,571,845,847.91
  5. Step 5: Solve for x
    x = 24,571,845,847.91/200,166.59
  6. Step 6: Final answer
    x = 122,756.98

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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.