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Finding the Fourth Proportional to 118,613.23, 177,891.89 and 43,692.68

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Solution

The fourth proportional to 118,613.23, 177,891.89 and 43,692.68 is: 65,528.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,613.23 : 177,891.89 = 43,692.68 : x
  2. Step 2: Convert to fraction form
    118,613.23/177,891.89 = 43,692.68/x
  3. Step 3: Cross multiply
    118,613.23x = 177,891.89 × 43,692.68
  4. Step 4: Simplify right side
    118,613.23x = 7,772,573,424.37
  5. Step 5: Solve for x
    x = 7,772,573,424.37/118,613.23
  6. Step 6: Final answer
    x = 65,528.72

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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.