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Finding the Fourth Proportional to 218,794.48, 301,786.50 and 133,953.46

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Solution

The fourth proportional to 218,794.48, 301,786.50 and 133,953.46 is: 184,764.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,794.48 : 301,786.50 = 133,953.46 : x
  2. Step 2: Convert to fraction form
    218,794.48/301,786.50 = 133,953.46/x
  3. Step 3: Cross multiply
    218,794.48x = 301,786.50 × 133,953.46
  4. Step 4: Simplify right side
    218,794.48x = 40,425,345,856.29
  5. Step 5: Solve for x
    x = 40,425,345,856.29/218,794.48
  6. Step 6: Final answer
    x = 184,764.01

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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.