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Finding the Fourth Proportional to 218,953.48, 301,709.46 and 150,991.24

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Solution

The fourth proportional to 218,953.48, 301,709.46 and 150,991.24 is: 208,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,953.48 : 301,709.46 = 150,991.24 : x
  2. Step 2: Convert to fraction form
    218,953.48/301,709.46 = 150,991.24/x
  3. Step 3: Cross multiply
    218,953.48x = 301,709.46 × 150,991.24
  4. Step 4: Simplify right side
    218,953.48x = 45,555,485,485.13
  5. Step 5: Solve for x
    x = 45,555,485,485.13/218,953.48
  6. Step 6: Final answer
    x = 208,060.11

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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.