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Finding the Fourth Proportional to 200,031.59, 300,077.22 and 73,662.12

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Solution

The fourth proportional to 200,031.59, 300,077.22 and 73,662.12 is: 110,504.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,031.59 : 300,077.22 = 73,662.12 : x
  2. Step 2: Convert to fraction form
    200,031.59/300,077.22 = 73,662.12/x
  3. Step 3: Cross multiply
    200,031.59x = 300,077.22 × 73,662.12
  4. Step 4: Simplify right side
    200,031.59x = 22,104,324,465.14
  5. Step 5: Solve for x
    x = 22,104,324,465.14/200,031.59
  6. Step 6: Final answer
    x = 110,504.17

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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.