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Finding the Fourth Proportional to 436,168.00, 654,251.18 and 136,671.52

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Solution

The fourth proportional to 436,168.00, 654,251.18 and 136,671.52 is: 205,007.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,168.00 : 654,251.18 = 136,671.52 : x
  2. Step 2: Convert to fraction form
    436,168.00/654,251.18 = 136,671.52/x
  3. Step 3: Cross multiply
    436,168.00x = 654,251.18 × 136,671.52
  4. Step 4: Simplify right side
    436,168.00x = 89,417,501,938.44
  5. Step 5: Solve for x
    x = 89,417,501,938.44/436,168.00
  6. Step 6: Final answer
    x = 205,007.02

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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.