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Finding the Fourth Proportional to 436,160.00, 654,239.30 and 136,663.56

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Solution

The fourth proportional to 436,160.00, 654,239.30 and 136,663.56 is: 204,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,160.00 : 654,239.30 = 136,663.56 : x
  2. Step 2: Convert to fraction form
    436,160.00/654,239.30 = 136,663.56/x
  3. Step 3: Cross multiply
    436,160.00x = 654,239.30 × 136,663.56
  4. Step 4: Simplify right side
    436,160.00x = 89,410,671,829.91
  5. Step 5: Solve for x
    x = 89,410,671,829.91/436,160.00
  6. Step 6: Final answer
    x = 204,995.12

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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.