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Finding the Fourth Proportional to 226,737.40, 340,106.10 and 68,965.60

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Solution

The fourth proportional to 226,737.40, 340,106.10 and 68,965.60 is: 103,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,737.40 : 340,106.10 = 68,965.60 : x
  2. Step 2: Convert to fraction form
    226,737.40/340,106.10 = 68,965.60/x
  3. Step 3: Cross multiply
    226,737.40x = 340,106.10 × 68,965.60
  4. Step 4: Simplify right side
    226,737.40x = 23,455,621,250.16
  5. Step 5: Solve for x
    x = 23,455,621,250.16/226,737.40
  6. Step 6: Final answer
    x = 103,448.40

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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.