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Finding the Fourth Proportional to 368,101.20, 551,167.08 and 216,173.04

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Solution

The fourth proportional to 368,101.20, 551,167.08 and 216,173.04 is: 323,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,101.20 : 551,167.08 = 216,173.04 : x
  2. Step 2: Convert to fraction form
    368,101.20/551,167.08 = 216,173.04/x
  3. Step 3: Cross multiply
    368,101.20x = 551,167.08 × 216,173.04
  4. Step 4: Simplify right side
    368,101.20x = 119,147,463,231.52
  5. Step 5: Solve for x
    x = 119,147,463,231.52/368,101.20
  6. Step 6: Final answer
    x = 323,681.27

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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.