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Finding the Fourth Proportional to 367,433.06, 551,007.88 and 142,763.92

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Solution

The fourth proportional to 367,433.06, 551,007.88 and 142,763.92 is: 214,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,433.06 : 551,007.88 = 142,763.92 : x
  2. Step 2: Convert to fraction form
    367,433.06/551,007.88 = 142,763.92/x
  3. Step 3: Cross multiply
    367,433.06x = 551,007.88 × 142,763.92
  4. Step 4: Simplify right side
    367,433.06x = 78,664,043,165.26
  5. Step 5: Solve for x
    x = 78,664,043,165.26/367,433.06
  6. Step 6: Final answer
    x = 214,090.82

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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.