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Finding the Fourth Proportional to 200,203.75, 276,253.83 and 119,614.15

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Solution

The fourth proportional to 200,203.75, 276,253.83 and 119,614.15 is: 165,051.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,203.75 : 276,253.83 = 119,614.15 : x
  2. Step 2: Convert to fraction form
    200,203.75/276,253.83 = 119,614.15/x
  3. Step 3: Cross multiply
    200,203.75x = 276,253.83 × 119,614.15
  4. Step 4: Simplify right side
    200,203.75x = 33,043,867,059.69
  5. Step 5: Solve for x
    x = 33,043,867,059.69/200,203.75
  6. Step 6: Final answer
    x = 165,051.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.