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Finding the Fourth Proportional to 118,636.65, 177,954.98 and 48,499.56

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Solution

The fourth proportional to 118,636.65, 177,954.98 and 48,499.56 is: 72,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,636.65 : 177,954.98 = 48,499.56 : x
  2. Step 2: Convert to fraction form
    118,636.65/177,954.98 = 48,499.56/x
  3. Step 3: Cross multiply
    118,636.65x = 177,954.98 × 48,499.56
  4. Step 4: Simplify right side
    118,636.65x = 8,630,737,987.31
  5. Step 5: Solve for x
    x = 8,630,737,987.31/118,636.65
  6. Step 6: Final answer
    x = 72,749.34

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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.