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Finding the Fourth Proportional to 118,536.32, 177,822.17 and 43,650.71

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Solution

The fourth proportional to 118,536.32, 177,822.17 and 43,650.71 is: 65,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,536.32 : 177,822.17 = 43,650.71 : x
  2. Step 2: Convert to fraction form
    118,536.32/177,822.17 = 43,650.71/x
  3. Step 3: Cross multiply
    118,536.32x = 177,822.17 × 43,650.71
  4. Step 4: Simplify right side
    118,536.32x = 7,762,063,755.99
  5. Step 5: Solve for x
    x = 7,762,063,755.99/118,536.32
  6. Step 6: Final answer
    x = 65,482.58

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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.