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Finding the Fourth Proportional to 367,543.11, 551,171.90 and 142,873.82

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Solution

The fourth proportional to 367,543.11, 551,171.90 and 142,873.82 is: 214,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,543.11 : 551,171.90 = 142,873.82 : x
  2. Step 2: Convert to fraction form
    367,543.11/551,171.90 = 142,873.82/x
  3. Step 3: Cross multiply
    367,543.11x = 551,171.90 × 142,873.82
  4. Step 4: Simplify right side
    367,543.11x = 78,748,032,430.98
  5. Step 5: Solve for x
    x = 78,748,032,430.98/367,543.11
  6. Step 6: Final answer
    x = 214,255.23

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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.