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Finding the Fourth Proportional to 136,507.28, 204,764.16 and 36,667.60

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Solution

The fourth proportional to 136,507.28, 204,764.16 and 36,667.60 is: 55,002.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,507.28 : 204,764.16 = 36,667.60 : x
  2. Step 2: Convert to fraction form
    136,507.28/204,764.16 = 36,667.60/x
  3. Step 3: Cross multiply
    136,507.28x = 204,764.16 × 36,667.60
  4. Step 4: Simplify right side
    136,507.28x = 7,508,210,313.22
  5. Step 5: Solve for x
    x = 7,508,210,313.22/136,507.28
  6. Step 6: Final answer
    x = 55,002.27

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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.