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Finding the Fourth Proportional to 367,432.02, 551,212.61 and 167,772.59

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Solution

The fourth proportional to 367,432.02, 551,212.61 and 167,772.59 is: 251,688.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,432.02 : 551,212.61 = 167,772.59 : x
  2. Step 2: Convert to fraction form
    367,432.02/551,212.61 = 167,772.59/x
  3. Step 3: Cross multiply
    367,432.02x = 551,212.61 × 167,772.59
  4. Step 4: Simplify right side
    367,432.02x = 92,478,364,464.30
  5. Step 5: Solve for x
    x = 92,478,364,464.30/367,432.02
  6. Step 6: Final answer
    x = 251,688.37

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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.