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Finding the Fourth Proportional to 118,356.60, 177,383.70 and 48,156.60

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Solution

The fourth proportional to 118,356.60, 177,383.70 and 48,156.60 is: 72,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,356.60 : 177,383.70 = 48,156.60 : x
  2. Step 2: Convert to fraction form
    118,356.60/177,383.70 = 48,156.60/x
  3. Step 3: Cross multiply
    118,356.60x = 177,383.70 × 48,156.60
  4. Step 4: Simplify right side
    118,356.60x = 8,542,195,887.42
  5. Step 5: Solve for x
    x = 8,542,195,887.42/118,356.60
  6. Step 6: Final answer
    x = 72,173.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.