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Finding the Fourth Proportional to 200,224.70, 276,322.92 and 115,340.30

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Solution

The fourth proportional to 200,224.70, 276,322.92 and 115,340.30 is: 159,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,224.70 : 276,322.92 = 115,340.30 : x
  2. Step 2: Convert to fraction form
    200,224.70/276,322.92 = 115,340.30/x
  3. Step 3: Cross multiply
    200,224.70x = 276,322.92 × 115,340.30
  4. Step 4: Simplify right side
    200,224.70x = 31,871,168,489.68
  5. Step 5: Solve for x
    x = 31,871,168,489.68/200,224.70
  6. Step 6: Final answer
    x = 159,177.01

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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.