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Finding the Fourth Proportional to 118,489.08, 177,680.16 and 43,596.48

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Solution

The fourth proportional to 118,489.08, 177,680.16 and 43,596.48 is: 65,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,489.08 : 177,680.16 = 43,596.48 : x
  2. Step 2: Convert to fraction form
    118,489.08/177,680.16 = 43,596.48/x
  3. Step 3: Cross multiply
    118,489.08x = 177,680.16 × 43,596.48
  4. Step 4: Simplify right side
    118,489.08x = 7,746,229,541.84
  5. Step 5: Solve for x
    x = 7,746,229,541.84/118,489.08
  6. Step 6: Final answer
    x = 65,375.05

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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.