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Finding the Fourth Proportional to 226,836.40, 340,254.60 and 69,064.60

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Solution

The fourth proportional to 226,836.40, 340,254.60 and 69,064.60 is: 103,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,836.40 : 340,254.60 = 69,064.60 : x
  2. Step 2: Convert to fraction form
    226,836.40/340,254.60 = 69,064.60/x
  3. Step 3: Cross multiply
    226,836.40x = 340,254.60 × 69,064.60
  4. Step 4: Simplify right side
    226,836.40x = 23,499,547,847.16
  5. Step 5: Solve for x
    x = 23,499,547,847.16/226,836.40
  6. Step 6: Final answer
    x = 103,596.90

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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.