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Finding the Fourth Proportional to 118,614.11, 177,893.21 and 43,693.56

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Solution

The fourth proportional to 118,614.11, 177,893.21 and 43,693.56 is: 65,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,614.11 : 177,893.21 = 43,693.56 : x
  2. Step 2: Convert to fraction form
    118,614.11/177,893.21 = 43,693.56/x
  3. Step 3: Cross multiply
    118,614.11x = 177,893.21 × 43,693.56
  4. Step 4: Simplify right side
    118,614.11x = 7,772,787,753.96
  5. Step 5: Solve for x
    x = 7,772,787,753.96/118,614.11
  6. Step 6: Final answer
    x = 65,530.05

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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.