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Finding the Fourth Proportional to 104,179.62, 156,273.76 and 30,307.62

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Solution

The fourth proportional to 104,179.62, 156,273.76 and 30,307.62 is: 45,462.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,179.62 : 156,273.76 = 30,307.62 : x
  2. Step 2: Convert to fraction form
    104,179.62/156,273.76 = 30,307.62/x
  3. Step 3: Cross multiply
    104,179.62x = 156,273.76 × 30,307.62
  4. Step 4: Simplify right side
    104,179.62x = 4,736,285,734.05
  5. Step 5: Solve for x
    x = 4,736,285,734.05/104,179.62
  6. Step 6: Final answer
    x = 45,462.69

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1.5x scale

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.