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Finding the Fourth Proportional to 226,849.70, 340,274.55 and 69,079.52

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Solution

The fourth proportional to 226,849.70, 340,274.55 and 69,079.52 is: 103,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,849.70 : 340,274.55 = 69,079.52 : x
  2. Step 2: Convert to fraction form
    226,849.70/340,274.55 = 69,079.52/x
  3. Step 3: Cross multiply
    226,849.70x = 340,274.55 × 69,079.52
  4. Step 4: Simplify right side
    226,849.70x = 23,506,000,880.84
  5. Step 5: Solve for x
    x = 23,506,000,880.84/226,849.70
  6. Step 6: Final answer
    x = 103,619.27

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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.