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Finding the Fourth Proportional to 118,592.55, 177,912.65 and 43,713.09

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Solution

The fourth proportional to 118,592.55, 177,912.65 and 43,713.09 is: 65,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,592.55 : 177,912.65 = 43,713.09 : x
  2. Step 2: Convert to fraction form
    118,592.55/177,912.65 = 43,713.09/x
  3. Step 3: Cross multiply
    118,592.55x = 177,912.65 × 43,713.09
  4. Step 4: Simplify right side
    118,592.55x = 7,777,111,463.02
  5. Step 5: Solve for x
    x = 7,777,111,463.02/118,592.55
  6. Step 6: Final answer
    x = 65,578.42

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1.5x scale

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.