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Finding the Fourth Proportional to 118,614.95, 177,922.54 and 48,494.26

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Solution

The fourth proportional to 118,614.95, 177,922.54 and 48,494.26 is: 72,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,614.95 : 177,922.54 = 48,494.26 : x
  2. Step 2: Convert to fraction form
    118,614.95/177,922.54 = 48,494.26/x
  3. Step 3: Cross multiply
    118,614.95x = 177,922.54 × 48,494.26
  4. Step 4: Simplify right side
    118,614.95x = 8,628,222,197.64
  5. Step 5: Solve for x
    x = 8,628,222,197.64/118,614.95
  6. Step 6: Final answer
    x = 72,741.44

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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.