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Finding the Fourth Proportional to 116,728.60, 175,068.60 and 50,170.90

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Solution

The fourth proportional to 116,728.60, 175,068.60 and 50,170.90 is: 75,245.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,728.60 : 175,068.60 = 50,170.90 : x
  2. Step 2: Convert to fraction form
    116,728.60/175,068.60 = 50,170.90/x
  3. Step 3: Cross multiply
    116,728.60x = 175,068.60 × 50,170.90
  4. Step 4: Simplify right side
    116,728.60x = 8,783,349,223.74
  5. Step 5: Solve for x
    x = 8,783,349,223.74/116,728.60
  6. Step 6: Final answer
    x = 75,245.91

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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.