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Finding the Fourth Proportional to 226,870.60, 340,305.90 and 132,003.40

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Solution

The fourth proportional to 226,870.60, 340,305.90 and 132,003.40 is: 198,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,870.60 : 340,305.90 = 132,003.40 : x
  2. Step 2: Convert to fraction form
    226,870.60/340,305.90 = 132,003.40/x
  3. Step 3: Cross multiply
    226,870.60x = 340,305.90 × 132,003.40
  4. Step 4: Simplify right side
    226,870.60x = 44,921,535,840.06
  5. Step 5: Solve for x
    x = 44,921,535,840.06/226,870.60
  6. Step 6: Final answer
    x = 198,005.10

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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.