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Finding the Fourth Proportional to 118,376.88, 177,499.08 and 48,174

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Solution

The fourth proportional to 118,376.88, 177,499.08 and 48,174 is: 72,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,376.88 : 177,499.08 = 48,174 : x
  2. Step 2: Convert to fraction form
    118,376.88/177,499.08 = 48,174/x
  3. Step 3: Cross multiply
    118,376.88x = 177,499.08 × 48,174
  4. Step 4: Simplify right side
    118,376.88x = 8,550,840,679.92
  5. Step 5: Solve for x
    x = 8,550,840,679.92/118,376.88
  6. Step 6: Final answer
    x = 72,234.04

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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.