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Finding the Fourth Proportional to 302,149.44, 453,224 and 143,898.08

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Solution

The fourth proportional to 302,149.44, 453,224 and 143,898.08 is: 215,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,149.44 : 453,224 = 143,898.08 : x
  2. Step 2: Convert to fraction form
    302,149.44/453,224 = 143,898.08/x
  3. Step 3: Cross multiply
    302,149.44x = 453,224 × 143,898.08
  4. Step 4: Simplify right side
    302,149.44x = 65,218,063,409.92
  5. Step 5: Solve for x
    x = 65,218,063,409.92/302,149.44
  6. Step 6: Final answer
    x = 215,847.04

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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.