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Finding the Fourth Proportional to 118,486.44, 177,712.13 and 43,589.07

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Solution

The fourth proportional to 118,486.44, 177,712.13 and 43,589.07 is: 65,377.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,486.44 : 177,712.13 = 43,589.07 : x
  2. Step 2: Convert to fraction form
    118,486.44/177,712.13 = 43,589.07/x
  3. Step 3: Cross multiply
    118,486.44x = 177,712.13 × 43,589.07
  4. Step 4: Simplify right side
    118,486.44x = 7,746,306,474.42
  5. Step 5: Solve for x
    x = 7,746,306,474.42/118,486.44
  6. Step 6: Final answer
    x = 65,377.16

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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.