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Finding the Fourth Proportional to 228,226.38, 314,846.28 and 147,679.91

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Solution

The fourth proportional to 228,226.38, 314,846.28 and 147,679.91 is: 203,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,226.38 : 314,846.28 = 147,679.91 : x
  2. Step 2: Convert to fraction form
    228,226.38/314,846.28 = 147,679.91/x
  3. Step 3: Cross multiply
    228,226.38x = 314,846.28 × 147,679.91
  4. Step 4: Simplify right side
    228,226.38x = 46,496,468,720.00
  5. Step 5: Solve for x
    x = 46,496,468,720.00/228,226.38
  6. Step 6: Final answer
    x = 203,729.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.