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Finding the Fourth Proportional to 188,984.76, 283,483.62 and 100,118.04

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Solution

The fourth proportional to 188,984.76, 283,483.62 and 100,118.04 is: 150,180.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,984.76 : 283,483.62 = 100,118.04 : x
  2. Step 2: Convert to fraction form
    188,984.76/283,483.62 = 100,118.04/x
  3. Step 3: Cross multiply
    188,984.76x = 283,483.62 × 100,118.04
  4. Step 4: Simplify right side
    188,984.76x = 28,381,824,406.50
  5. Step 5: Solve for x
    x = 28,381,824,406.50/188,984.76
  6. Step 6: Final answer
    x = 150,180.49

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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.