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Finding the Fourth Proportional to 200,170.60, 300,298.74 and 73,811.22

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Solution

The fourth proportional to 200,170.60, 300,298.74 and 73,811.22 is: 110,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,170.60 : 300,298.74 = 73,811.22 : x
  2. Step 2: Convert to fraction form
    200,170.60/300,298.74 = 73,811.22/x
  3. Step 3: Cross multiply
    200,170.60x = 300,298.74 × 73,811.22
  4. Step 4: Simplify right side
    200,170.60x = 22,165,416,363.86
  5. Step 5: Solve for x
    x = 22,165,416,363.86/200,170.60
  6. Step 6: Final answer
    x = 110,732.63

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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.