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Finding the Fourth Proportional to 367,533.64, 551,164.38 and 130,812.76

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Solution

The fourth proportional to 367,533.64, 551,164.38 and 130,812.76 is: 196,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,533.64 : 551,164.38 = 130,812.76 : x
  2. Step 2: Convert to fraction form
    367,533.64/551,164.38 = 130,812.76/x
  3. Step 3: Cross multiply
    367,533.64x = 551,164.38 × 130,812.76
  4. Step 4: Simplify right side
    367,533.64x = 72,099,333,761.49
  5. Step 5: Solve for x
    x = 72,099,333,761.49/367,533.64
  6. Step 6: Final answer
    x = 196,170.71

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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.