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Finding the Fourth Proportional to 227,035.40, 340,553.10 and 202,103.60

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Solution

The fourth proportional to 227,035.40, 340,553.10 and 202,103.60 is: 303,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,035.40 : 340,553.10 = 202,103.60 : x
  2. Step 2: Convert to fraction form
    227,035.40/340,553.10 = 202,103.60/x
  3. Step 3: Cross multiply
    227,035.40x = 340,553.10 × 202,103.60
  4. Step 4: Simplify right side
    227,035.40x = 68,827,007,501.16
  5. Step 5: Solve for x
    x = 68,827,007,501.16/227,035.40
  6. Step 6: Final answer
    x = 303,155.40

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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.