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Finding the Fourth Proportional to 436,166.59, 654,249.07 and 136,670.11

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Solution

The fourth proportional to 436,166.59, 654,249.07 and 136,670.11 is: 205,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,166.59 : 654,249.07 = 136,670.11 : x
  2. Step 2: Convert to fraction form
    436,166.59/654,249.07 = 136,670.11/x
  3. Step 3: Cross multiply
    436,166.59x = 654,249.07 × 136,670.11
  4. Step 4: Simplify right side
    436,166.59x = 89,416,292,364.30
  5. Step 5: Solve for x
    x = 89,416,292,364.30/436,166.59
  6. Step 6: Final answer
    x = 205,004.91

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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.