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Finding the Fourth Proportional to 226,970.60, 340,455.90 and 202,087.40

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Solution

The fourth proportional to 226,970.60, 340,455.90 and 202,087.40 is: 303,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,970.60 : 340,455.90 = 202,087.40 : x
  2. Step 2: Convert to fraction form
    226,970.60/340,455.90 = 202,087.40/x
  3. Step 3: Cross multiply
    226,970.60x = 340,455.90 × 202,087.40
  4. Step 4: Simplify right side
    226,970.60x = 68,801,847,645.66
  5. Step 5: Solve for x
    x = 68,801,847,645.66/226,970.60
  6. Step 6: Final answer
    x = 303,131.10

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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.