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Finding the Fourth Proportional to 226,938.98, 340,459.02 and 69,179.72

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Solution

The fourth proportional to 226,938.98, 340,459.02 and 69,179.72 is: 103,784.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,938.98 : 340,459.02 = 69,179.72 : x
  2. Step 2: Convert to fraction form
    226,938.98/340,459.02 = 69,179.72/x
  3. Step 3: Cross multiply
    226,938.98x = 340,459.02 × 69,179.72
  4. Step 4: Simplify right side
    226,938.98x = 23,552,859,675.07
  5. Step 5: Solve for x
    x = 23,552,859,675.07/226,938.98
  6. Step 6: Final answer
    x = 103,784.99

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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.